2019 Infiniti M35 V6-3.5L (VQ35HR) Diagnostic and Repair Information Page 780
- Harness for open between ECM and APP sensor
- Repair open circuit.
7.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 8.
NO - Repair short to ground or short to power in harness or connectors.
8.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.)
- Battery current sensor ( See: P Code Charts/P1550.)
- 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?
YES - GO TO 15.
NO - Replace malfunctioning component.
9.CHECK APP SENSOR GROUND CIRCUIT FOR OPEN AND SHORT
1. Turn ignition switch OFF.
2. Disconnect ECM harness connector.
3. Check the continuity between APP 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 11.
NO - GO TO 10.
10.DETECT MALFUNCTIONING PART
Check the following.
- Harness connectors E108, M15
- Harness for open or short between ECM and APP sensor
- Repair open circuit, short to ground or short to power in harness or connectors.
11.CHECK APP SENSOR INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1. Check the continuity between APP 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 13.
NO - GO TO 12.
12.DETECT MALFUNCTIONING PART
