Monday, June 10, 2019

2019 Infiniti M35 V6-3.5L (VQ35HR) Diagnostic and Repair Information Page 588

2019 Infiniti M35 V6-3.5L (VQ35HR) Diagnostic and Repair Information Page 588



1. Start the engine.



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



3. Drive vehicle and maintain the following conditions for at least 5 consecutive seconds.



Manual mode switch: ON



Gear position: "5" position



Accelerator opening: 0.6/8 or more



Vehicle speed: 10 km/h (6 MPH) or more



4. Check DTC. If DTC is detected, go to See: P Code Charts/P0735/5AT RE5R05A.



Diagnosis Procedure



1.CHECK CAN COMMUNICATION LINE



With CONSULT-III



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



Without CONSULT-III



- Perform the self-diagnosis. See: Powertrain Management/Transmission Control Systems/Testing and Inspection/Scan Tool Testing and



Procedures/5AT RE5R05A/Trouble Diagnosis/Diagnosis Procedure Without CONSULT-III.



Is a malfunction in the CAN communication indicated in the results?



YES - Check CAN communication line. See: U Code Charts/U1000/AT/5AT RE5R05A.



NO - GO TO 2.



2.CHECK TCM POWER SUPPLY AND GROUND CIRCUIT



Check TCM power supply and ground circuit. See: Powertrain Management/Transmission Control Systems/Testing and Inspection/Component



Tests and General Diagnostics/5AT RE5R05A/Main Power Supply and Ground Circuit.



OK or NG



OK - GO TO 3.



NG - Repair or replace damaged parts.



3.DETECT MALFUNCTION ITEM



Check A/T assembly harness connector pin terminals for damage or loose connection with harness connector.



OK or NG



OK - GO TO 4.



NG - Repair or replace damaged parts.



4.REPLACE CONTROL VALVE WITH TCM



1. Replace control valve with TCM. See: Transmission and Drivetrain/Automatic Transmission/Transaxle/Valve Body/Service and Repair.



2. Perform See: P Code Charts/P0735/5AT RE5R05A.



OK or NG



OK - INSPECTION END



NG - Confirm malfunction phenomena by "ROAD TEST" to repair malfunctioning part. See: Powertrain Management/Transmission Control



Systems/Testing and Inspection/Initial Inspection and Diagnostic Overview/5AT RE5R05A/Road Test.



7AT RE7R01A



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.



DTC Logic



DTC DETECTION LOGIC



DTC CONFIRMATION PROCEDURE



CAUTION:



- " See: P Code Charts/P0735/7AT RE7R01A" must be performed before starting "DTC CONFIRMATION PROCEDURE".



- Never perform "DTC CONFIRMATION PROCEDURE" before completing the repair, which may cause secondary malfunction.