2019 Infiniti M35 V6-3.5L (VQ35HR) Diagnostic and Repair Information Page 520
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.)
- Battery current sensor ( See: P Code Charts/P1550.)
- Refrigerant pressure sensor ( See: Heating and Air Conditioning/Testing and Inspection/Component Tests and General Diagnostics/Magnet
Clutch Circuit.)
Is the inspection result normal?
YES - GO TO 8.
NO - Replace malfunctioning component.
8.CHECK APP SENSOR
See: P Code Charts/P2122.
Is the inspection result normal?
YES - GO TO 15.
NO - GO TO 9.
9.REPLACE ACCELERATOR PEDAL ASSEMBLY
1. Replace accelerator pedal assembly
2. Go to See: P Code Charts/P2122.
- INSPECTION END
10.CHECK
EVAP CONTROL SYSTEM PRESSURE SENSOR GROUND CIRCUIT FOR OPEN AND
SHORT
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.
4. Also check harness for short to ground and short to power.
Is the inspection result normal?
YES - GO TO 12.
NO - GO TO 11.
11.DETECT MALFUNCTIONING PART
Check the following.
- Harness connectors B171, B469
- Harness connectors B418, M66
- Harness for open or short between EVAP control system pressure sensor and ECM
- Repair open circuit, short to ground or short to power in harness or connectors.
12.CHECK EVAP CONTROL SYSTEM PRESSURE SENSOR INPUT SIGNAL CIRCUIT FOR OPEN AND
SHORT
1. Check the continuity between EVAP control system pressure sensor harness connector and ECM harness connector.
2. Also check harness for short to ground and short to power.
Is the inspection result normal?
YES - GO TO 14.
NO - GO TO 13.
13.DETECT MALFUNCTIONING PART
Check the following.
- Harness connectors B171, B469
- Harness connectors B418, M66
- Harness for open or short between EVAP control system pressure sensor and ECM
- Repair open circuit, short to ground or short to power in harness or connectors.
14.CHECK EVAP CONTROL SYSTEM PRESSURE SENSOR
See: P Code Charts/P0452.
Is the inspection result normal?
YES - GO TO 15.
NO - Replace EVAP control system pressure sensor.
15.CHECK INTERMITTENT INCIDENT
See: Powertrain Management/Computers and Control Systems/Testing and Inspection/Initial Inspection and Diagnostic Overview/Trouble
Diagnosis For Intermittent Incident/Description.