INFINITI : February 2020

Saturday, February 29, 2020

Thrones — INFINITI QX80

Sunday, February 16, 2020

2019 Infiniti M35 V6-3.5L (VQ35HR) Diagnostic and Repair Information Page 296

2019 Infiniti M35 V6-3.5L (VQ35HR) Diagnostic and Repair Information Page 329

Check the voltage between ECM harness connector terminals under the following condition.

Is the inspection result normal?

YES - INSPECTION END

NO - GO TO 5.

5.CHECK HEATED OXYGEN SENSOR 2-III

Check the voltage between ECM harness connector terminals under the following condition.

Is the inspection result normal?

YES - INSPECTION END

NO - GO TO 6.

6.REPLACE HEATED OXYGEN SENSOR 2

Replace malfunctioning heated oxygen sensor 2.

CAUTION:

- Discard any heated oxygen sensor which has been dropped from a height of more than 0.5 m (19.7 in) onto a hard surface such as a

concrete floor; use a new one.

- Before installing new oxygen sensor, clean exhaust system threads using Oxygen Sensor Thread

Cleaner [commercial service tool (J-43897-18 or J-43897-12)] and approved anti-seize lubricant

(commercial service tool).

2019 Infiniti M35 V6-3.5L (VQ35HR) Diagnostic and Repair Information Page 834

DTC Logic

With Mobile Entertainment System

U1220 AV CONTROL UNIT

Description

Replace the AV control unit if this DTC is displayed. See: Accessories and Optional Equipment/Radio, Stereo, and Compact

Disc/Radio/Stereo/Service and Repair/AV Control Unit/Exploded View/With Mobile Entertainment System.

DTC Logic

Without Mobile Entertainment System

Saturday, February 15, 2020

2019 Infiniti M35 V6-3.5L (VQ35HR) Diagnostic and Repair Information Page 829

U121C AV CONTROL UNIT

Description

Replace the AV control unit if this DTC is displayed. See: Accessories and Optional Equipment/Radio, Stereo, and Compact

Disc/Radio/Stereo/Service and Repair/AV Control Unit/Exploded View/With Mobile Entertainment System.

DTC Logic

Without Mobile Entertainment System

U121C AV CONTROL UNIT

Description

Replace the AV control unit if this DTC is displayed. See: Accessories and Optional Equipment/Radio, Stereo, and Compact

Disc/Radio/Stereo/Service and Repair/AV Control Unit/Exploded View/Without Mobile Entertainment System.

2019 Infiniti M35 V6-3.5L (VQ35HR) Diagnostic and Repair Information Page 524

2. Check that water is not inside connectors.

Is the inspection result normal?

YES - GO TO 3.

NO - Repair or replace harness connector.

3.CHECK EVAP CONTROL SYSTEM PRESSURE SENSOR POWER SUPPLY CIRCUIT-I

1. Turn ignition switch ON.

2. Check the voltage between EVAP control system pressure sensor harness connector and ground.

Is the inspection result normal?

YES - GO TO 10.

NO - GO TO 4.

4.CHECK EVAP CONTROL SYSTEM PRESSURE SENSOR POWER SUPPLY CIRCUIT-II

1. Turn ignition switch OFF.

2. Disconnect ECM harness connector.

3. Check the continuity between EVAP control system pressure sensor harness connector and ECM harness connector.

Is the inspection result normal?

YES - GO TO 6.

NO - GO TO 5.

5.DETECT MALFUNCTIONING PART

Check the following.

- Harness connectors B171, B469

- Harness connectors B418, M66

- Harness for open between ECM and EVAP control system pressure sensor

- Repair open circuit.

6.CHECK SENSOR POWER SUPPLY CIRCUIT

Check harness for short to power and short to ground, between the following terminals.

Is the inspection result normal?

YES - GO TO 7.

NO - Repair short to ground or short to power in harness or connectors.

Friday, February 14, 2020

2019 Infiniti M35 V6-3.5L (VQ35HR) Diagnostic and Repair Information Page 587

1. Stop vehicle.

2. Drive vehicle in "D" position allowing it to shift from 1GR to 7GR and check shift timing and shift shock.

- INSPECTION END

Diagnosis Procedure

1.CHECK INTERMITTENT INCIDENT

See: Testing and Inspection/Initial Inspection and Diagnostic Overview/How to Perform Efficient Diagnosis For an Electrical Incident.

Is the inspection result normal?

YES - Replace A/T assembly. See: Transmission and Drivetrain/Automatic Transmission/Transaxle/Service and Repair/Removal and

Replacement/7AT RE7R01A/Transmission Assembly/Exploded View.

NO - Repair or replace damaged parts.

5AT RE5R05A

P0735 5GR INCORRECT RATIO

Description

This malfunction is detected when the A/T does not shift into 5GR position as instructed by TCM. This is not only caused by electrical

malfunction (circuits open or shorted) but by mechanical malfunction such as control valve sticking, improper solenoid valve operation, etc.

On Board Diagnosis Logic

- This is an OBD-II self-diagnostic item.

- Diagnostic trouble code "P0735" with CONSULT-III or 22nd judgment flicker without CONSULT-III is detected when TCM detects any

inconsistency in the actual gear ratio.

Possible Cause

- Input clutch solenoid valve

- Front brake solenoid valve

- Direct clutch solenoid valve

- High and low reverse clutch solenoid valve

- Each clutch and brake

- Hydraulic control circuit

DTC Confirmation Procedure

CAUTION:

Always drive vehicle at a safe speed.

NOTE:

If "DTC Confirmation Procedure" has been previously performed, always turn ignition switch OFF and wait at least 10 seconds before

performing the next test.

After the repair, perform the following procedure to confirm the malfunction is eliminated.

WITH CONSULT-III

1. Start the engine and select "DATA MONITOR" in "TRANSMISSION".

2. Make sure that "ATF TEMP 1" is within the following range.

ATF TEMP 1: 20锟斤拷C (68锟斤拷F) - 140锟斤拷C (284锟斤拷F)

If out of range, drive vehicle to warm ATF or stop engine to cool ATF.

3. Select "5TH GR FNCTN P0735" in "DTC & SRT CONFIRMATION" in "TRANSMISSION".

4. Drive vehicle and maintain the following conditions.

MANU MODE SW: ON

GEAR: "5" position

ACCELE POSI: 0.6/8 or more

VEHICLE SPEED: 10 km/h (6 MPH) or more

ENGINE SPEED: INPUT SPEED - 50 rpm or more

INPUT SPEED: 300 rpm or more

5. Keep the current driving status for at least 5 consecutive seconds if CONSULT-III screen changes from "OUT OF CONDITION" to

"TESTING".

CAUTION:

If "TESTING" does not appear on CONSULT-III for a long time, select "SELF-DIAG RESULTS". In case a 1st trip DTC other than

"P0735" is shown, refer to " Road Test".

- Perform See: Powertrain Management/Transmission Control Systems/Testing and Inspection/Scan Tool Testing and Procedures/5AT

RE5R05A/Trouble Diagnosis/CONSULT-III Function (Transmission) when not shifted from the 1GR to 5GR. (Neither "OK" nor "NG" are

2019 Infiniti M35 V6-3.5L (VQ35HR) Diagnostic and Repair Information Page 504

This solenoid valve responds to signals from the ECM. When the

ECM sends an ON signal, the coil in the solenoid valve is energized.

A plunger will then move to seal the canister vent. The ability to seal the vent is necessary for the on board diagnosis of other evaporative

emission control system components.

This solenoid valve is used only for diagnosis, and usually remains opened.

When the vent is closed, under normal purge conditions, the evaporative emission control system is depressurized and allows "EVAP

Control System" diagnosis.

DTC Logic

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

1.PRECONDITIONING

If DTC Confirmation Procedure has been previously conducted, always perform the following procedure before conducting the next test.

1. Turn ignition switch OFF and wait at least 10 seconds.

2. Turn ignition switch ON.

3. Turn ignition switch OFF and wait at least 10 seconds.

TESTING CONDITION:

Before performing the following procedure, confirm battery voltage is more than 11 V at idle.

- GO TO 2.

2.PERFORM DTC CONFIRMATION PROCEDURE

1. Start engine and wait at least 8 seconds.

2. Check 1st trip DTC.

Is 1st trip DTC detected?

YES - Go to See: P Code Charts/P0447.

2019 Infiniti M35 V6-3.5L (VQ35HR) Diagnostic and Repair Information Page 427

Is intake air leak detected?

YES - Discover air leak location and repair.

NO - GO TO 2.

2.CHECK FOR EXHAUST SYSTEM CLOGGING

Stop engine and visually check exhaust tube, three way catalyst and muffler for dents.

Is the inspection result normal?

YES-1 - With CONSULT-III: GO TO 3.

YES-2 - Without CONSULT-III: GO TO 4.

NO - Repair or replace malfunctioning part.

3.PERFORM POWER BALANCE TEST

With CONSULT-III

1. Start engine.

2. Perform "POWER BALANCE" in "ACTIVE TEST" mode with CONSULT-III.

3. Check that each circuit produces a momentary engine speed drop.

Is the inspection result normal?

YES - GO TO 9.

NO - GO TO 4.

4.CHECK FUNCTION OF FUEL INJECTOR

1. Start engine and let it idle.

2. Listen to each fuel injector operation.

Clicking sound should be heard.

Is the inspection result normal?

YES - GO TO 5.

NO - Perform trouble diagnosis for FUEL INJECTOR, See: Powertrain Management/Fuel Delivery and Air Induction/Fuel Injector/Testing and

Inspection/Component Tests and General Diagnostics/Diagnosis Procedure.

5.CHECK FUNCTION OF IGNITION COIL-I

CAUTION:

Perform the following procedure in a place with no combustible objects and good ventilation.

1. Turn ignition switch OFF.

2. Remove fuel pump fuse (1) in IPDM E/R (2) to release fuel pressure.

NOTE:

Do not use CONSULT-III to release fuel pressure, or fuel pressure applies again during the following procedure.

3. Start engine.

4. After engine stalls, crank it 2 or 3 times to release all fuel pressure.

5. Turn ignition switch OFF.

6. Remove all ignition coil harness connectors to avoid the electrical discharge from the ignition coils.

7. Remove ignition coil and spark plug of the cylinder to be checked.

8. Crank engine for 5 seconds or more to remove combustion gas in the cylinder.

9. Connect spark plug and harness connector to ignition coil.

Thursday, February 13, 2020

2019 Infiniti M35 V6-3.5L (VQ35HR) Diagnostic and Repair Information Page 646

Diagnosis Procedure

1.CHECK GROUND CONNECTION

1. Turn ignition switch OFF.

2. Check ground connections M16, M70. See: Powertrain Management/Computers and Control Systems/Testing and Inspection/Component

Tests and General Diagnostics/Power Supply and Ground Circuit.

Is the inspection result normal?

YES - GO TO 2.

NO - Repair or replace ground connections.

2.CHECK BATTERY CURRENT SENSOR POWER SUPPLY CIRCUIT-I

1. Disconnect battery current sensor harness connector.

2. Turn ignition switch ON.

2019 Infiniti M35 V6-3.5L (VQ35HR) Diagnostic and Repair Information Page 716

With GST

1. Start the engine.

2. Drive vehicle for approximately 5 minutes in urban areas.

Is ATF temperature within specified range?

YES - GO TO 3.

NO - Drive vehicle to warm ATF or stop engine to cool ATF.

3.CHECK SYMPTOM (PART 1)

With CONSULT-III

1. Select "7TH GR FNCTN P1734" in "DTC & SRT confirmation" in "TRANSMISSION".

2. Drive vehicle with manual mode and maintain the following conditions.

GEAR: 7

ACCELE POSI: 0.7/8 or more

VEHICLE SPEED: 10 km/h (7 MPH) or more

3. Keep the current driving status for 2 seconds or more if CONSULT-III screen changes from "OUT OF

CONDITION" to "TESTING".

CAUTION:

When "TESTING" is not indicated on CONSULT-III for a long time, check "Self Diagnostic Results" in "TRANSMISSION". When a

DTC other than "P1734" is detected, check the DTC. See: Diagnostic Trouble Code Descriptions/DTC Index/TCM.

With GST

1. Drive vehicle and maintain the following conditions for 2 seconds or more.

Selector lever: "M" position

Gear position: 7th

Accelerator pedal opening: 0.7/8 or more

Vehicle speed: 10 km/h (7 MPH) or more

2. Check DTC.

Is "OUT OF CONDITION", "STOP VEHICLE" or "COMPLETED RESULT NG" displayed? / Is "P1734" detected?

YES-1 - "OUT OF CONDITION": Perform "Step 3" again.

YES-2 - "STOP VEHICLE": GO TO 4.

YES-3 - "COMPLETED RESULT NG": Go to See: P Code Charts/P1734.

YES-4 - "P1734" is detected: Go to See: P Code Charts/P1734.

NO - Check intermittent incident. See: Testing and Inspection/Initial Inspection and Diagnostic Overview/How to Perform Efficient Diagnosis

For an Electrical Incident.

4.CHECK SYMPTOM (PART 2)

With CONSULT-III

1. Stop vehicle.

2. Drive vehicle in "D" position allowing it to shift from 1st to 7th gear and check shift timing and shift shock.

- INSPECTION END

Diagnosis Procedure

1.CHECK INTERMITTENT INCIDENT

See: Testing and Inspection/Initial Inspection and Diagnostic Overview/How to Perform Efficient Diagnosis For an Electrical Incident.

Is the inspection result normal?

YES - Replace A/T assembly. See: Transmission and Drivetrain/Automatic Transmission/Transaxle/Service and Repair/Removal and

Replacement/7AT RE7R01A/Transmission Assembly/Exploded View.

NO - Repair or replace damaged parts.

P1805

P1805 BRAKE SWITCH

Description

Brake switch signal is applied to the ECM through the stop lamp switch when the brake pedal is depressed.

This signal is used mainly to decrease the engine speed when the vehicle is being driven.

Wednesday, February 12, 2020

2019 Infiniti M35 V6-3.5L (VQ35HR) Diagnostic and Repair Information Page 295

Check the voltage between ECM harness connector terminals under the following condition.

Is the inspection result normal?

YES - INSPECTION END

NO - GO TO 3.

3.PERFORM COMPONENT FUNCTION CHECK-III

Check the voltage between ECM harness connector terminals under the following condition.

Is the inspection result normal?

YES - INSPECTION END

NO - Go to See: P Code Charts/P0139.

2019 Infiniti M35 V6-3.5L (VQ35HR) Diagnostic and Repair Information Page 377

8.CHECK INTERMITTENT INCIDENT

See: Powertrain Management/Computers and Control Systems/Testing and Inspection/Initial Inspection and Diagnostic Overview/Trouble

Diagnosis For Intermittent Incident/Description.

- INSPECTION END

Component Inspection

1.CHECK FUEL TANK TEMPERATURE SENSOR

1. Turn ignition switch OFF.

2. Disconnect "fuel level sensor unit and fuel pump (main)" harness connector.

3. Remove "fuel level sensor unit and fuel pump (main)".

4. Check resistance between "fuel level sensor unit and fuel pump

(main)" terminals by heating with hot water as shown in the figure.

Is the inspection result normal?

YES - INSPECTION END

NO - Replace "fuel level sensor unit and fuel pump (main)".

P0196

P0196 EOT SENSOR

Description

The engine oil temperature sensor is used to detect the engine oil temperature. The sensor modifies a voltage signal from the ECM.

The modified signal returns to the ECM as the engine oil temperature input. The sensor uses a thermistor which is sensitive to the change in

temperature. The electrical resistance of the thermistor decreases as temperature increases.

2019 Infiniti M35 V6-3.5L (VQ35HR) Diagnostic and Repair Information Page 215

Without CONSULT-III

1. Turn ignition switch OFF.

2. Disconnect MAF sensor harness connector and reconnect it again.

3. Start engine and warm it up to normal operating temperature.

4. Check the voltage between ECM harness connector terminals under the following conditions.

Is the inspection result normal?

YES - INSPECTION END

NO - Clean or replace malfunctioning MAF sensor.

P010D

P0102, P0103, P010C, P010D MAF SENSOR

Description

The mass air flow sensor (1) is placed in the stream of intake air. It measures the intake flow rate by measuring a part of the entire intake flow.

The mass air flow sensor controls the temperature of the hot wire to a certain amount. The heat generated by the hot wire is reduced as the intake

air flows around it. The greater air flow, the greater the heat loss.

Therefore, the electric current supplied to hot wire is changed to maintain the temperature of the hot wire as air flow increases. The

Tuesday, February 11, 2020

2019 Infiniti M35 V6-3.5L (VQ35HR) Diagnostic and Repair Information Page 560

Diagnosis For Intermittent Incident/Description.

- INSPECTION END

P0700

P0700 TRANSMISSION CONTROL

Description

The TCM consists of a microcomputer and connectors for signal input and output and for power supply. The

TCM controls the A/T.

On Board Diagnosis Logic

- This is an OBD-II self-diagnostic item.

- Diagnostic trouble code "P0700" with CONSULT-III is detected when TCM is malfunctioning.

Possible Cause

TCM.

DTC Confirmation Procedure

NOTE:

If "DTC Confirmation Procedure" has been previously performed, always turn ignition switch OFF and wait at least 10 seconds before

performing the next test.

After the repair, perform the following procedure to confirm the malfunction is eliminated.

WITH CONSULT-III

1. Turn ignition switch ON.

2. Select "SELF-DIAG RESULTS" in "TRANSMISSION".

3. Touch "START".

4. Start engine.

5. Run engine for at least 2 consecutive seconds at idle speed.

6. If DTC is detected, go to See: P Code Charts/P0700.

WITH GST

Follow the procedure "WITH CONSULT-III".

Diagnosis Procedure

1.CHECK DTC

With CONSULT-III

1. Turn ignition switch ON.

2. Select "SELF-DIAG RESULTS" in "TRANSMISSION".

3. Touch "ERASE".

4. Turn ignition switch OFF and wait for at least 10 seconds.

5. Perform See: P Code Charts/P0700.

Is the "P0700" displayed again?

YES - Replace the control valve with TCM. See: Transmission and Drivetrain/Automatic Transmission/Transaxle/Valve Body/Service and

Repair.

NO - INSPECTION END

5AT RE5R05A

P0705 TRANSMISSION RANGE SWITCH A

Description

The transmission range switch detects the selector lever position and sends a signal to the TCM.

CONSULT-III Reference Value in Data Monitor Mode

On Board Diagnosis Logic

- This is an OBD-II self-diagnostic item.

- Diagnostic trouble code "P0705" with CONSULT-III or 9th judgment flicker without CONSULT-III is detected under the following

conditions.

- When TCM does not receive the correct voltage signal from the transmission range switches 1, 2, 3 and 4 based on the gear position.

- When no other position but "P" position is detected from "N" position.

2019 Infiniti M35 V6-3.5L (VQ35HR) Diagnostic and Repair Information Page 628

Electric throttle control actuator consists of throttle control motor, throttle position (TP) sensor, etc. The throttle position sensor responds to the

throttle valve movement.

The throttle position sensor has two sensors. These sensors are a kind of potentiometers which transform the throttle valve position into output

voltage, and emit the voltage signal to the ECM. In addition, these sensors detect the opening and closing speed of the throttle valve and feed the

voltage signals to the ECM. The ECM judges the current opening angle of the throttle valve from these signals and the

ECM controls the throttle control motor to make the throttle valve opening angle properly in response to driving condition.

DTC Logic

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

1.PRECONDITIONING

If DTC Confirmation Procedure has been previously conducted, always perform the following procedure before conducting the next test.

1. Turn ignition switch OFF and wait at least 10 seconds.

2. Turn ignition switch ON.

3. Turn ignition switch OFF and wait at least 10 seconds.

TESTING CONDITION:

Before performing the following procedure, confirm that battery voltage is more than 10 V at idle.

- GO TO 2.

2.PERFORM DTC CONFIRMATION PROCEDURE

1. Turn ignition switch ON.

2. Turn ignition switch OFF and wait at least 10 seconds.

3. Turn ignition switch ON.

4. Repeat steps 2 and 3 for 32 times.

5. Check 1st trip DTC.

Is 1st trip DTC detected?

YES - Go to See: P Code Charts/P1226.

NO - INSPECTION END

Diagnosis Procedure

1.CHECK ELECTRIC THROTTLE CONTROL ACTUATOR VISUALLY

1. Turn ignition switch OFF.

2. Remove the intake air duct.

3. Check if foreign matter is caught between the throttle valve (1) and the housing.

Is the inspection result normal?

YES - GO TO 2.

NO - Remove the foreign matter and clean the electric throttle control actuator inside.

2.REPLACE ELECTRIC THROTTLE CONTROL ACTUATOR

Monday, February 10, 2020

2019 Infiniti M35 V6-3.5L (VQ35HR) Diagnostic and Repair Information Page 240

Diagnosis Procedure

1.CHECK GROUND CONNECTION

1. Turn ignition switch OFF.

2. Check ground connections M16, M70. See: Powertrain Management/Computers and Control Systems/Testing and Inspection/Component

Tests and General Diagnostics/Power Supply and Ground Circuit.

Is the inspection result normal?

YES - GO TO 2.

NO - Repair or replace ground connections.

2.CHECK THROTTLE POSITION SENSOR 2 POWER SUPPLY CIRCUIT

1. Disconnect electric throttle control actuator harness connector.

2. Turn ignition switch ON.

3. Check the voltage between electric throttle control actuator harness connector and ground.

2019 Infiniti M35 V6-3.5L (VQ35HR) Diagnostic and Repair Information Page 106

Diagnosis Procedure

1.LANE CAMERA UNIT TROUBLE DIAGNOSIS

Perform trouble diagnosis of the lane camera unit for "C1B00 CAMERA UNIT MALF". See: C Code Charts/C1B00/Camera Unit Malfunction.

- GO TO 2.

2.ERASE DTC

Erase DTC memory of ABS actuator and electric unit (control unit) with self-diagnosis of CONSULT-III.

Is the DTC "C1B00" erased?

YES - INSPECTION END

NO - Replace ABS actuator and electric unit (control unit).

C1B01

C1B01 CAM AIMING INCMP

DTC Logic

DTC DETECTION LOGIC

Diagnosis Procedure

1.CAMERA AIMING

Perform the camera aiming. See: Accessories and Optional Equipment/Collision Avoidance and Parking Assist Systems/Testing and

Inspection/Programming and Relearning/Camera Aiming Adjustment/Description.

- GO TO 2.

2.PERFORM SELF-DIAGNOSIS OF LANE CAMERA UNIT

Perform the self-diagnosis of lane camera unit with CONSULT-III.

Is the DTC "C1B01" detected?

YES - Replace the lane camera unit.

NO - INSPECTION END

C1B02

C1B02 VHCL SPD DATA MALF

DTC Logic

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

1.DTC ERASE

Erase the DTC memory of lane camera unit with CONSULT-III.

- GO TO 2.

2.DTC CONFIRMATION

1. Turn ignition ON.

2. Drive at 40 km/h or more.

3. Stop the vehicle.

4. Perform the self-diagnosis of lane camera unit with CONSULT-III.

Is the DTC "C1B02" detected?

YES - See: C Code Charts/C1B02.

NO - See: Testing and Inspection/Initial Inspection and Diagnostic Overview/How to Perform Efficient Diagnosis For an Electrical Incident.

2019 Infiniti M35 V6-3.5L (VQ35HR) Diagnostic and Repair Information Page 559

3. Check the voltage between APP sensor harness connector and ground.

Is the inspection result normal?

YES - GO TO 7.

NO - GO TO 3.

3.CHECK SENSOR POWER SUPPLY CIRCUITS

Check harness for short to power and short to ground, between the following terminals.

Is the inspection result normal?

YES - GO TO 4.

NO - Repair short to ground or short to power in harness or connectors.

4.CHECK COMPONENTS

Check the following.

- CMP sensor (bank 1) ( See: P Code Charts/P0340.)

- EVT control position sensor (bank 1) ( See: P Code Charts/P1078.)

- PSP sensor ( See: P Code Charts/P0550.)

Is the inspection result normal?

YES - GO TO 5.

NO - Replace malfunctioning component.

5.CHECK THROTTLE POSITION (TP) SENSOR

See: P Code Charts/P0122.

Is the inspection result normal?

YES - GO TO 9.

NO - GO TO 6.

6.REPLACE ELECTRIC THROTTLE CONTROL ACTUATOR

1. Replace electric throttle control actuator.

2. Go to See: P Code Charts/P0122.

- INSPECTION END

7.CHECK APP SENSOR

See: P Code Charts/P2122.

Is the inspection result normal?

YES - GO TO 9.

NO - GO TO 8.

8.REPLACE ACCELERATOR PEDAL ASSEMBLY

1. Replace accelerator pedal assembly.

2. Go to See: P Code Charts/P2122.

- INSPECTION END

9.CHECK INTERMITTENT INCIDENT

See: Powertrain Management/Computers and Control Systems/Testing and Inspection/Initial Inspection and Diagnostic Overview/Trouble

Sunday, February 9, 2020

2019 Infiniti M35 V6-3.5L (VQ35HR) Diagnostic and Repair Information Page 122

3. Check resistance between exhaust valve timing control magnet retarder terminals as per the following.

Is the inspection result normal?

YES - INSPECTION END

NO - GO TO 2.

2.REPLACE EXHAUST VALVE TIMING CONTROL MAGNET RETARDER

1. Replace malfunctioning exhaust valve timing control magnet retarder.

2. Perform See: Engine, Cooling and Exhaust/Engine/Timing Components/Variable Valve Timing/Testing and Inspection/Special Repair

Requirement.

- INSPECTION END

P0031

P0031, P0032, P0051, P0052 A/F SENSOR 1 HEATER

Description

SYSTEM DESCRIPTION

The ECM performs ON/OFF duty control of the A/F sensor 1 heater corresponding to the engine operating condition to keep the temperature of

A/F sensor 1 element within the specified range.

DTC Logic

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

1.PRECONDITIONING

If DTC Confirmation Procedure has been previously conducted, always perform the following procedure before conducting the next test.

1. Turn ignition switch OFF and wait at least 10 seconds.

2. Turn ignition switch ON.

2017 Infiniti G37 Sedan V6-3.7L Diagnostic and Repair Information # 11-014B Date: 130215

Entertainment Systems - CD And DVD Player Concerns

Classification:

EL11-005b

Reference:

ITB11-014b

Date:

February 15, 2013

CD & DVD PLAYER CONCERNS

This bulletin has been amended to include current vehicles. No other changes have been made. Please discard all previous versions.

APPLIED VEHICLES:

All Infiniti Vehicles with an Audio Compact Disc (CD) Player or Digital Video Disc (DVD) Player

SERVICE INFORMATION

If a CD/DVD Player incident is noted, a possible cause may be improper CD/DVD disc care, condition, or usage. This bulletin provides updated

CD/DVD Player operation instructions to avoid potential incidents/customer concerns caused by improper care and usage of CD/DVD discs.

To aid in solving customer concerns use the following guidelines when speaking to customers or inspecting incident vehicles.

Page 354

^ Customers must not use discs that are warped, scratched, chipped, cracked, have abnormal edges, or are otherwise damaged (see Figures 1 and

2). Damaged or poor condition discs may cause the Player internal mechanism to jam or have optical pick-up errors.

^ Instruct the customer to handle discs carefully when inserting/removing them from the Player. Hold them by the edges and do not bend them.

Always place them in the storage case when they are not being used (played). This will ensure that discs stay in top working order.

^ Customers must not use discs with adhesive labels. The label will loosen or peel and this can jam the Player.

^ Ensure that the customer only uses audio CDs that have the "Compact Disc Digital Audio" insignia on them (see Figure 3). The audio CD Player

was designed to use CDs that meet this design standard. Lower quality CDs may not function properly in the audio CD Player.

Page 355

^ Inform the customer that this information and additional disc care and cleaning instructions may be found in all Infiniti Owner's Manuals.

Saturday, February 8, 2020

2019 Infiniti M35 V6-3.5L (VQ35HR) Diagnostic and Repair Information Page 643

3.CHECK THROTTLE CONTROL MOTOR RELAY INPUT SIGNAL CIRCUIT

1. Disconnect IPDM E/R harness connector E9.

2. Check the continuity between IPDM E/R sensor harness connector and ECM harness connector.

3. Also check harness for short to ground and short to power.

Is the inspection result normal?

YES - GO TO 5.

NO - GO TO 4.

4.DETECT MALFUNCTIONING PART

Check the following.

- Harness connectors E12, F3

- Harness for open or short between ECM and IPDM E/R

- Repair open circuit, short to ground or short to power in harness or connectors.

5.CHECK FUSE

1. Disconnect 15 A fuse (No. 87) from IPDM E/R.

2. Check 15 A fuse for blown.

Is the inspection result normal?

YES - GO TO 6.

NO - Replace 15 A fuse.

6.CHECK INTERMITTENT INCIDENT

See: Powertrain Management/Computers and Control Systems/Testing and Inspection/Initial Inspection and Diagnostic Overview/Trouble

Diagnosis For Intermittent Incident/Description.

Is the inspection result normal?

YES - Replace IPDM E/R.

NO - Repair or replace harness or connectors.

P1421

P1421 COLD START CONTROL

Description

ECM controls ignition timing and engine idle speed when engine is started with pre-warming up condition.

This control promotes the activation of three way catalyst by heating the catalyst and reduces emissions.

DTC Logic

DTC DETECTION LOGIC

NOTE:

- If DTC P1421 is displayed with other DTC, first perform the trouble diagnosis for other DTC.

DTC CONFIRMATION PROCEDURE

1.PRECONDITIONING

If DTC Confirmation Procedure has been previously conducted, always perform the following procedure before conducting the next test.

1. Turn ignition switch OFF and wait at least 10 seconds.

2. Turn ignition switch ON.

3. Turn ignition switch OFF and wait at least 10 seconds.

TESTING CONDITION:

Before performing the following procedure, confirm that battery voltage is more than 11 V at idle.

- GO TO 2.

2.PERFORM DTC CONFIRMATION PROCEDURE

With CONSULT-III

1. Turn ignition switch OFF and wait at least 10 seconds.

2. Turn ignition switch ON.

3. Select "DATA MONITOR" mode with CONSULT-III.

2019 Infiniti M35 V6-3.5L (VQ35HR) Diagnostic and Repair Information Page 632

4. Also check harness for short to ground and short to power.

Is the inspection result normal?

YES - GO TO 3.

NO - Repair or replace malfunctioning part.

3.CHECK THROTTLE CONTROL MOTOR

See: P Code Charts/P1236.

Is the inspection result normal?

YES - GO TO 4.

NO - GO TO 5.

4.CHECK INTERMITTENT INCIDENT

See: Powertrain Management/Computers and Control Systems/Testing and Inspection/Initial Inspection and Diagnostic Overview/Trouble

Diagnosis For Intermittent Incident/Description.

Is the inspection result normal?

YES - GO TO 5.

NO - Repair or replace harness or connectors.

5.REPLACE ELECTRIC THROTTLE CONTROL ACTUATOR

1. Replace malfunctioning electric throttle control actuator.

2. Go to See: P Code Charts/P1236.

- INSPECTION END

Component Inspection

1.CHECK THROTTLE CONTROL MOTOR

1. Turn ignition switch OFF.

2. Disconnect electric throttle control actuator harness connector.

3. Check resistance between electric throttle control actuator terminals as per the following.

Is the inspection result normal?

YES - INSPECTION END

NO - GO TO 2.

2.REPLACE ELECTRIC THROTTLE CONTROL ACTUATOR

1. Replace malfunctioning electric throttle control actuator.

2. Go to See: P Code Charts/P1236.

- INSPECTION END

Special Repair Requirement

1.PERFORM THROTTLE VALVE CLOSED POSITION LEARNING

See: Powertrain Management/Computers and Control Systems/Testing and Inspection/Programming and Relearning/Throttle Valve Closed

Position Learning/Special Repair Requirement

2019 Infiniti M35 V6-3.5L (VQ35HR) Diagnostic and Repair Information Page 397

DTC Logic

DTC DETECTION LOGIC

NOTE:

If DTC P0122, P0123, P0227 or P0228 is displayed with DTC P0643, first perform the trouble diagnosis for DTC P0643. See: P Code

Charts/P0643.

DTC CONFIRMATION PROCEDURE

1.PRECONDITIONING

If DTC Confirmation Procedure has been previously conducted, always perform the following procedure before conducting the next test.

1. Turn ignition switch OFF and wait at least 10 seconds.

2. Turn ignition switch ON.

3. Turn ignition switch OFF and wait at least 10 seconds.

TESTING CONDITION:

Before performing the following procedure, confirm that battery voltage is more than 10 V at idle.

- GO TO 2.

2.PERFORM DTC CONFIRMATION PROCEDURE

1. Start engine and let it idle for 1 second.

2. Check DTC.

Is DTC detected?

YES - Go to See: P Code Charts/P0122.

Friday, February 7, 2020

2019 Infiniti M35 V6-3.5L (VQ35HR) Diagnostic and Repair Information Page 444

Description

The knock sensor is attached to the cylinder block. It senses engine knocking using a piezoelectric element. A knocking vibration from the

cylinder block is sensed as vibrational pressure. This pressure is converted into a voltage signal and sent to the ECM.

DTC Logic

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

1.PRECONDITIONING

If DTC Confirmation Procedure has been previously conducted, always perform the following procedure before conducting the next test.

1. Turn ignition switch OFF and wait at least 10 seconds.

2. Turn ignition switch ON.

3. Turn ignition switch OFF and wait at least 10 seconds.

TESTING CONDITION:

Before performing the following procedure, confirm that battery voltage is more than 10 V at idle.

- GO TO 2.

2.PERFORM DTC CONFIRMATION PROCEDURE

1. Start engine and run it for at least 5 seconds at idle speed.

2. Check 1st trip DTC.

Is 1st trip DTC detected?

YES - Go to See: P Code Charts/P0327.

2019 Infiniti M35 V6-3.5L (VQ35HR) Diagnostic and Repair Information Page 207

NO - GO TO 2.

2.CHECK FOR THE CAUSE OF UNEVEN AIR FLOW THROUGH MAF SENSOR

1. Turn ignition switch OFF.

2. Check for the cause of uneven air flow through MAF sensor. Refer to the following.

- Crushed air ducts

- Malfunctioning seal of air cleaner element

- Uneven dirt of air cleaner element

- Improper specification of intake air system parts

Is the inspection result normal?

YES - GO TO 4.

NO - GO TO 3.

3.CHECK MAF SENSOR-II

With CONSULT-III

1. Repair or replace malfunctioning part.

2. Start engine and warm it up to normal operating temperature.

3. Connect CONSULT-III and select "DATA MONITOR" mode.

4. Select "MAS A/F SE-B1" and "MAS A/F SE-B2", and check the indication.

Without CONSULT-III

1. Repair or replace malfunctioning part.

2. Start engine and warm it up to normal operating temperature.

3. Check the voltage between ECM harness connector terminals under the following conditions.

Is the inspection result normal?

YES - INSPECTION END

NO - GO TO 4.

4.CHECK MAF SENSOR-III

With CONSULT-III

1. Turn ignition switch OFF.

2. Disconnect MAF sensor harness connector and reconnect it again.

3. Start engine and warm it up to normal operating temperature.

Thursday, February 6, 2020

2019 Infiniti M35 V6-3.5L (VQ35HR) Diagnostic and Repair Information Page 268

3. Check the voltage between A/F sensor 1 harness connector and ground.

Is the inspection result normal?

YES - GO TO 4.

NO - GO TO 3.

3.DETECT MALFUNCTIONING PART

Check the following.

- Harness connectors E12, F3

- IPDM E/R harness connector E7

- 15 A fuse (No. 85)

- Harness for open or short between A/F sensor 1 and fuse

- Repair or replace harness or connectors.

4.CHECK A/F SENSOR 1 INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT

1. Turn ignition switch OFF.

2. Disconnect ECM harness connector.

3. Check the continuity between A/F sensor 1 harness connector and ECM harness connector.

4. Check the continuity between A/F sensor 1 harness connector or ECM harness connector and ground.

5. Also check harness for short to power.

Is the inspection result normal?

YES - GO TO 5.

NO - Repair open circuit, short to ground or short to power in harness or connectors.

5.CHECK INTERMITTENT INCIDENT

2019 Infiniti M35 V6-3.5L (VQ35HR) Diagnostic and Repair Information Page 168

Diagnosis Procedure

1.CHECK EXHAUST VALVE TIMING (EVT) CONTROL MAGNET RETARDER POWER SUPPLY CIRCUIT

1. Turn ignition switch OFF.

2. Disconnect EVT control magnet retarder harness connector.

3. Turn ignition switch ON.

4. Check the voltage between EVT control magnet retarder harness connector and ground.

2019 Infiniti M35 V6-3.5L (VQ35HR) Diagnostic and Repair Information Page 567

NG - GO TO 2.

7AT RE7R01A

P0717 INPUT SPEED SENSOR A

Description

The input speed sensor detects input shaft rpm (revolutions per minute). It is located on the input side of the A/T. Monitors revolution of sensor 1

and sensor 2 for non-standard conditions.

DTC Logic

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

CAUTION:

Always drive vehicle at a safe speed.

1.PRECONDITIONING

If "DTC CONFIRMATION PROCEDURE" is previously conducted, always turn ignition switch OFF and wait at least 10 seconds before

performing the next test.

- GO TO 2.

2.CHECK DTC DETECTION

With CONSULT-III

1. Start the engine.

2. Select "SLCT LVR POSI", "GEAR", "VHCL/S SE-A/T", "W/O THL POS" and "ENGINE SPEED" in "Data

Monitor" in "TRANSMISSION".

3. Drive vehicle and maintain the following conditions for 5 seconds or more.

CAUTION:

Keep the same gear position.

NOTE:

Driving the vehicle uphill (increased engine load) will help maintain the driving conditions required for this test.

SLCT LVR POSI : D

GEAR : 2, 3, 4, 5 or 6

VHCL/S SE-A/T : More than 40 km/h (25 MPH)

W/O THL POS : ON

ENGINE SPEED : More than 1,500 rpm

4. Perform "Self Diagnostic Results" in "TRANSMISSION".

With GST

Follow the procedure "With CONSULT-III".

Is "P0717" detected?

YES - Go to See: P Code Charts/P0717/7AT RE7R01A.

NO - INSPECTION END

Diagnosis Procedure

1.CHECK INTERMITTENT INCIDENT

See: Testing and Inspection/Initial Inspection and Diagnostic Overview/How to Perform Efficient Diagnosis For an Electrical Incident.

Is the inspection result normal?

YES - Replace A/T assembly. See: Transmission and Drivetrain/Automatic Transmission/Transaxle/Service and Repair/Removal and

Replacement/7AT RE7R01A/Transmission Assembly/Exploded View.

NO - Repair or replace damaged parts.

5AT RE5R05A

P0720 OUTPUT SPEED SENSOR

Description

The output speed sensor detects the revolution of the parking gear and emits a pulse signal. The pulse signal is sent to the TCM which converts it

Wednesday, February 5, 2020

2019 Infiniti M35 V6-3.5L (VQ35HR) Diagnostic and Repair Information Page 467

Due to the changing magnetic field, the voltage from the sensor changes.

ECM receives the signals as shown in the figure.

DTC Logic

DTC DETECTION LOGIC

NOTE:

If DTC P0340 is displayed with DTC P0643, first perform the trouble diagnosis for DTC P0643. See: P Code Charts/P0643.

DTC CONFIRMATION PROCEDURE

1.PRECONDITIONING

If DTC Confirmation Procedure has been previously conducted, always perform the following procedure before conducting the next test.

1. Turn ignition switch OFF and wait at least 10 seconds.

2. Turn ignition switch ON.

3. Turn ignition switch OFF and wait at least 10 seconds.

TESTING CONDITION:

Before performing the following procedure, confirm that battery voltage is more than 10.5 V with ignition switch ON.

- GO TO 2.

2.PERFORM DTC CONFIRMATION PROCEDURE-I

1. Start engine and let it idle for at least 5 seconds.

If engine does not start, crank engine for at least 2 seconds.

2. Check 1st trip DTC.

Is 1st trip DTC detected?

YES - Go to See: P Code Charts/P0340.

NO - GO TO 3.

3.PERFORM DTC CONFIRMATION PROCEDURE-I

1. Maintaining engine speed at more than 800 rpm for at least 5 seconds.

2019 Infiniti M35 V6-3.5L (VQ35HR) Diagnostic and Repair Information Page 601

2.CHECK STARTING SYSTEM

Turn ignition switch OFF, then turn it to START.

Does starter motor operate?

YES - GO TO 3.

NO - Check DTC with BCM. See: Starting and Charging/Starting System/Description and Operation.

3.CHECK PARK/NEUTRAL POSITION (PNP) SIGNAL CIRCUIT FOR OPEN AND SHORT

1. Turn ignition switch OFF.

2. Disconnect A/T assembly harness connector.

3. Disconnect ECM harness connector.

4. Check the continuity between A/T assembly harness connector and ECM harness connector.

5. Also check harness for short to ground and short to power.

Is the inspection result normal?

YES - GO TO 5.

NO - GO TO 4.

4.DETECT MALFUNCTIONING PART

Check the following.

- Harness connectors F102, M72

- Harness for open or short between A/T assembly and ECM

- Repair open circuit, short to ground or short to power in harness or connectors.

5.CHECK INTERMITTENT INCIDENT

See: Powertrain Management/Computers and Control Systems/Testing and Inspection/Initial Inspection and Diagnostic Overview/Trouble

Diagnosis For Intermittent Incident/Description.

- INSPECTION END

P1078

P1078, P1084 EVT CONTROL POSITION SENSOR

Description

Exhaust valve timing (EVT) control position sensor detects the concave groove of the exhaust camshaft rear end.

This sensor signal is used for sensing a position of the exhaust camshaft.

This sensor uses a Hall IC.

Based on the position of the exhaust camshaft, ECM controls exhaust valve timing control magnet retarder to optimize the shut/open timing of

exhaust valve for the driving condition.

DTC Logic

DTC DETECTION LOGIC

NOTE:

If DTC P1078 is displayed with DTC P0643, first perform the trouble diagnosis for DTC P0643. See: P Code Charts/P0643.

Tuesday, February 4, 2020

2019 Infiniti M35 V6-3.5L (VQ35HR) Diagnostic and Repair Information Page 516

10.CHECK EVAP CONTROL SYSTEM PRESSURE SENSOR

See: P Code Charts/P0451.

Is the inspection result normal?

YES - GO TO 11.

NO - Replace EVAP control system pressure sensor.

11.CHECK INTERMITTENT INCIDENT

See: Powertrain Management/Computers and Control Systems/Testing and Inspection/Initial Inspection and Diagnostic Overview/Trouble

Diagnosis For Intermittent Incident/Description.

- INSPECTION END

Component Inspection

1.CHECK EVAP CONTROL SYSTEM PRESSURE SENSOR

1. Turn ignition switch OFF.

2. Remove EVAP control system pressure sensor with its harness connector.

Always replace O-ring with a new one.

3. Install a vacuum pump to EVAP control system pressure sensor.

4. Turn ignition switch ON and check output voltage between ECM harness connector terminals under the following conditions.

CAUTION:

- Always calibrate the vacuum pump gauge when using it.

- Never apply below -93.3 kPa (-0.952 kg/cm2, -13.53 psi) or pressure over 101.3 kPa (1.033 kg/cm2, 14.69 psi).

Is the inspection result normal?

YES - INSPECTION END

NO - Replace EVAP control system pressure sensor

P0452

P0452 EVAP CONTROL SYSTEM PRESSURE SENSOR

Description

The EVAP control system pressure sensor detects pressure in the purge line. The sensor output voltage to the ECM increases as pressure

2019 Infiniti M35 V6-3.5L (VQ35HR) Diagnostic and Repair Information Page 82

SELF-DIAGNOSTIC LOGIC

DIAGNOSTIC PROCEDURE

1.CHECK BATTERY

Measure the battery output voltage. Make sure that it is 9V or more.

OK or NG

OK - GO TO 2.

NG - Charge or replace the battery.

2.CHECK POWER SUPPLY CIRCUIT

1. Turn ignition switch OFF.

2. Check voltage between Intelligent Key unit connector and ground.

OK or NG

OK - Check the condition of harness and connector. If it is

OK, check the self-diagnosis results using CONSULT-III again.

NG - Check the following.

- 10A fuse [No.22, located in the fuse block (J/B)]

- Harness for open or short between fuse block and

2019 Infiniti M35 V6-3.5L (VQ35HR) Diagnostic and Repair Information Page 762

DTC Logic

DTC DETECTION LOGIC

NOTE:

If DTC P0222, P0223, P2132 or P2133 is displayed with DTC P0643, first perform the trouble diagnosis for DTC P0643. See: P Code

Charts/P0643.

DTC CONFIRMATION PROCEDURE

1.PRECONDITIONING

If DTC Confirmation Procedure has been previously conducted, always perform the following procedure before conducting the next test.

1. Turn ignition switch OFF and wait at least 10 seconds.

2. Turn ignition switch ON.

3. Turn ignition switch OFF and wait at least 10 seconds.

TESTING CONDITION:

Before performing the following procedure, confirm that battery voltage is more than 10 V at idle.

- GO TO 2.

2.PERFORM DTC CONFIRMATION PROCEDURE

1. Start engine and let it idle for 1 second.

2. Check DTC.

Is DTC detected?

YES - Go to See: P Code Charts/P0222.

Monday, February 3, 2020

2019 Infiniti M35 V6-3.5L (VQ35HR) Diagnostic and Repair Information Page 252

If DTC P0128 is displayed with DTC P0300, P0301, P0302, P0303, P0304, P0305 or P0306, first perform the trouble diagnosis for DTC P0300,

P0301, P0302, P0303, P0304, P0305, P0306. See: P Code Charts/P0300.

Engine coolant temperature has not risen enough to open the thermostat even though the engine has run long enough.

This is due to a leak in the seal or the thermostat being stuck open.

DTC CONFIRMATION PROCEDURE

1.PRECONDITIONING

If DTC Confirmation Procedure has been previously conducted, always perform the following procedure before conducting the next test.

1. Turn ignition switch OFF and wait at least 10 seconds.

2. Turn ignition switch ON.

3. Turn ignition switch OFF and wait at least 10 seconds.

TESTING CONDITION:

- For best results, perform at ambient temperature of ?10锟紺 (14锟紽) or higher.

- For best results, perform at engine coolant temperature of ?10锟紺 (14锟紽) to 56锟紺 (133锟紽).

- Before performing the following procedure, do not add fuel.

- GO TO 2.

2.PERFORM DTC CONFIRMATION PROCEDURE

With CONSULT-III

1. Turn A/C switch OFF.

2. Turn blower fan switch OFF.

3. Turn ignition switch ON.

4. Select "COOLAN TEMP/S" in "DATA MONITOR" mode with CONSULT-III.

5. Check the indication of "COOLAN TEMP/S".

If it is below 56锟紺 (133锟紽), go to the next step.

If it is above 56锟紺 (133锟紽), cool engine down to less than 56锟紺 (133锟紽). Then go to next step.

6. Start engine and drive vehicle for 10 consecutive minutes under the following conditions.

7. Check 1st trip DTC.

With GST

Follow the procedure "With CONSULT-III" above.

Is 1st trip DTC detected?

YES - Go to See: P Code Charts/P0128.

NO - INSPECTION END

Diagnosis Procedure

1.CHECK ENGINE COOLANT TEMPERATURE SENSOR

See: P Code Charts/P0128.

Is the inspection result normal?

YES - INSPECTION END

NO - Replace engine coolant temperature sensor.

Component Inspection

1.CHECK ENGINE COOLANT TEMPERATURE SENSOR

1. Turn ignition switch OFF.

2. Disconnect engine coolant temperature sensor harness connector.

3. Remove engine coolant temperature sensor.

2019 Infiniti M35 V6-3.5L (VQ35HR) Diagnostic and Repair Information Page 662

3. Check the voltage between battery current sensor harness connector and ground.

Is the inspection result normal?

YES - GO TO 9.

NO - GO TO 3.

3.CHECK BATTERY CURRENT SENSOR POWER SUPPLY CIRCUIT-II

1. Turn ignition switch OFF.

2. Disconnect ECM harness connector.

3. Check the continuity between battery current sensor harness connector and ECM harness connector.

Is the inspection result normal?

YES - GO TO 5.

NO - GO TO 4.

4.DETECT MALFUNCTIONING PART

Check the following.

- Harness connectors E10, F1

- Harness for open between battery current sensor and ECM

- Repair open circuit.

5.CHECK SENSOR POWER SUPPLY CIRCUIT

Check harness for short to power and short to ground, between the following terminals.

Is the inspection result normal?

YES - GO TO 6.

NO - Repair short to ground or short to power in harness or connectors.

6.CHECK COMPONENTS

Check the following.

- CKP sensor ( See: P Code Charts/P0335.)

- CMP sensor (bank 2) ( See: P Code Charts/P0340.)

- EVT control position sensor (bank 2) ( See: P Code Charts/P1078.)

- EVAP control system pressure sensor ( See: P Code Charts/P0451.)

- Refrigerant pressure sensor ( See: Heating and Air Conditioning/Testing and Inspection/Component Tests and General Diagnostics/Magnet

Clutch Circuit.)

Is the inspection result normal?

Sunday, February 2, 2020

2019 Infiniti M35 V6-3.5L (VQ35HR) Diagnostic and Repair Information Page 667

2.CHECK BATTERY CURRENT SENSOR POWER SUPPLY CIRCUIT-I

1. Disconnect battery current sensor harness connector.

2. Turn ignition switch ON.

3. Check the voltage between battery current sensor harness connector and ground.

Is the inspection result normal?

YES - GO TO 9.

NO - GO TO 3.

3.CHECK BATTERY CURRENT SENSOR POWER SUPPLY CIRCUIT-II

1. Turn ignition switch OFF.

2. Disconnect ECM harness connector.

3. Check the continuity between battery current sensor harness connector and ECM harness connector.

Is the inspection result normal?

YES - GO TO 5.

NO - GO TO 4.

4.DETECT MALFUNCTIONING PART

Check the following.

- Harness connectors E10, F1

- Harness for open between battery current sensor and ECM

- Repair open circuit.

5.CHECK SENSOR POWER SUPPLY CIRCUIT

Check harness for short to power and short to ground, between the following terminals.

Is the inspection result normal?

YES - GO TO 6.

NO - Repair short to ground or short to power in harness or connectors.

6.CHECK COMPONENTS

Check the following.

- CKP sensor ( See: P Code Charts/P0335.)

- CMP sensor (bank 2) ( See: P Code Charts/P0340.)

- EVT control position sensor (bank 2) ( See: P Code Charts/P1078.)

2019 Infiniti M35 V6-3.5L (VQ35HR) Diagnostic and Repair Information Page 194

ECM detects the air flow by means of this current change.

DTC Logic

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

1.PRECONDITIONING

If DTC Confirmation Procedure has been previously conducted, always perform the following procedure before conducting the next test.

1. Turn ignition switch OFF and wait at least 10 seconds.

2. Turn ignition switch ON.

3. Turn ignition switch OFF and wait at least 10 seconds.

Which DTC is detected?

P0102, P010C-GO TO 2.

P0103, P010D-GO TO 3.

2.PERFORM DTC CONFIRMATION PROCEDURE FOR DTC P0102 AND P010C

1. Start engine and wait at least 5 seconds.

2. Check DTC.

Is DTC detected?

YES - Go to See: P Code Charts/P0102.

NO - INSPECTION END

3.PERFORM DTC CONFIRMATION PROCEDURE FOR DTC P0103 AND P010D-I

1. Turn ignition switch ON and wait at least 5 seconds.

2. Check DTC.

Is DTC detected?

YES - Go to See: P Code Charts/P0102.

NO - GO TO 4.

4.PERFORM DTC CONFIRMATION PROCEDURE FOR DTC P0103 AND P010D-II

1. Start engine and wait at least 5 seconds.

2. Check DTC.

Is DTC detected?

YES - Go to See: P Code Charts/P0102.

2019 Infiniti M35 V6-3.5L (VQ35HR) Diagnostic and Repair Information Page 723

Description

Manual mode switch is installed in control device. It transmits manual mode switch, shift up and shift down switch signals to unified meter and

A/C amp. Then unified meter and A/C amp. transmits signals to TCM via

CAN communication.

TCM transmits the switch signals to unified meter and A/C amp. via CAN communication line. Then manual mode switch position is indicated on

the shift position indicator. For inspection, See: Powertrain Management/Transmission Control Systems/Testing and Inspection/Scan Tool

Testing and Procedures/7AT RE7R01A/Shift Position Indicator Circuit/Description See: Powertrain Management/Transmission Control

Systems/Testing and Inspection/Component Tests and General Diagnostics/7AT RE7R01A/Shift Position Indicator Circuit See: Powertrain

Management/Transmission Control Systems/Testing and Inspection/Scan Tool Testing and Procedures/7AT RE7R01A/Shift Position Indicator

Circuit/Diagnosis Procedure.

DTC Logic

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

1.PRECONDITIONING

If "DTC CONFIRMATION PROCEDURE" is previously conducted, always turn ignition switch OFF and wait at least 10 seconds before

performing the next test.

- GO TO 2.

2.CHECK DTC DETECTION

With CONSULT-III

1. Turn ignition switch ON.

2. Select "SLCT LVR POSI" and "MANU MODE SW" in "Data Monitor" in "TRANSMISSION".

3. Maintain the following each conditions more than 2 seconds.

SLCT LVR POSI : D

MANU MODE SW : ON

4. Perform "Self Diagnostic Results" in "TRANSMISSION".

Is "P1815" detected?

YES - Go to See: P Code Charts/P1815/7AT RE7R01A.

NO - INSPECTION END

Wiring Diagram - AT - MMSW

Saturday, February 1, 2020

2019 Infiniti M35 V6-3.5L (VQ35HR) Diagnostic and Repair Information Page 487

DTC CONFIRMATION PROCEDURE

1.PRECONDITIONING

If DTC Confirmation Procedure has been previously conducted, always perform the following procedure before conducting the next test.

1. Turn ignition switch OFF and wait at least 10 seconds.

2. Turn ignition switch ON.

3. Turn ignition switch OFF and wait at least 10 seconds.

NOTE:

Check that EVAP hoses are connected to EVAP canister purge volume control solenoid valve properly.

Will CONSULT-III be used?

YES - GO TO 2.

NO - GO TO 3.

2.PERFORM DTC CONFIRMATION PROCEDURE

With CONSULT-III

TESTING CONDITION:

- Perform "DTC WORK SUPPORT" when the fuel level is between 1/4 and 3/4 full, and vehicle is placed on flat level surface.

- Always perform test at a temperature of 0 to 30锟紺 (32 to 86锟紽).

1. Turn ignition switch ON.

2. Turn ignition switch OFF and wait at least 10 seconds.

3. Turn ignition switch ON and select "DATA MONITOR" mode with CONSULT-III.

4. Check that the following conditions are met.

COOLAN TEMP/S: 0 - 70锟紺 (32 - 158锟紽)

INT/A TEMP SE: 0 - 30锟紺 (32 - 86锟紽)

5. Select "EVP SML LEAK P0442/P1442" of "EVAPORATIVE SYSTEM" in "DTC WORK SUPPORT" mode with CONSULT-III.

Follow the instructions displayed.

NOTE:

If the engine speed cannot be maintained within the range displayed on the CONSULT-III screen, go to EC-22, "BASIC INSPECTION : Special

Repair Requirement".

Which is displayed on CONSULT-III screen?

OK - INSPECTION END

NG - Go to See: P Code Charts/P0442.

3.PERFORM DTC CONFIRMATION PROCEDURE

With GST

NOTE:

Be sure to read the explanation of Driving Pattern in See: Powertrain Management/Computers and Control Systems/Testing and

Inspection/Programming and Relearning/How to Set SRT Code before driving vehicle.

1. Start engine.

2. Drive vehicle according to Driving Pattern.

2019 Infiniti M35 V6-3.5L (VQ35HR) Diagnostic and Repair Information Page 794

- GO TO 2.

2.CHECK DTC DETECTION

With CONSULT-III

1. Start the engine.

2. Select "BATTERY VOLT", "MANU MODE SW", "GEAR" and "VHCL/S SE-A/T" in "Data Monitor" in "TRANSMISSION".

3. Drive vehicle and maintain the following conditions for 5 seconds or more.

BATTERY VOLT: 9 V or more

MANU MODE SW: ON

GEAR: 2

VHCL/S SE-A/T: 10 km/h (7 MPH) or more

4. Perform "Self Diagnostic Results" in "TRANSMISSION".

With GST

Follow the procedure "With CONSULT-III".

Is "P2731" detected?

YES - Go to See: P Code Charts/P2731.

NO - INSPECTION END

Diagnosis Procedure

1.CHECK INTERMITTENT INCIDENT

See: Testing and Inspection/Initial Inspection and Diagnostic Overview/How to Perform Efficient Diagnosis For an Electrical Incident.

Is the inspection result normal?

YES - Replace A/T assembly. See: Transmission and Drivetrain/Automatic Transmission/Transaxle/Service and Repair/Removal and

Replacement/7AT RE7R01A/Transmission Assembly/Exploded View.

NO - Repair or replace damaged parts.

P2807

P2807 PRESSURE CONTROL SOLENOID G

Description

- The direct clutch solenoid valve is controlled by the TCM in response to signals transmitted from the transmission range switch, output speed

sensor and accelerator pedal position sensor (throttle position sensor).

Gears will then be shifted to the optimum position.

- The direct clutch solenoid valve controls the direct clutch control valve in response to a signal transmitted from the TCM.

DTC Logic

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

CAUTION:

Always drive vehicle at a safe speed.

1.PRECONDITIONING

If "DTC CONFIRMATION PROCEDURE" is previously conducted, always turn ignition switch OFF and wait at least 10 seconds before

performing the next test.

- GO TO 2.

2.CHECK DTC DETECTION

With CONSULT-III

1. Start the engine.

2. Select "BATTERY VOLT", "MANU MODE SW", "GEAR" and "VHCL/S SE-A/T" in "Data Monitor" in "TRANSMISSION".

3. Drive vehicle and maintain the following conditions for 5 seconds or more.

BATTERY VOLT: 9 V or more

MANU MODE SW: ON

GEAR: 1

VHCL/S SE-A/T: 10 km/h (7 MPH) or more

4. Perform "Self Diagnostic Results" in "TRANSMISSION".

With GST

Follow the procedure "With CONSULT-III".