Diagnosis Procedure
- CHECK GROUND CONNECTIONS
- Turn ignition switch OFF.
- Loosen and retighten ground screws on the body.
Refer to "GROUND INSPECTION ".
Courtesy of NISSAN NORTH AMERICA, INC.
OK or NG
OK: GO TO 2.
NG: Repair or replace ground connections.
- CHECK EVAP CONTROL SYSTEM PRESSURE SENSOR CONNECTOR FOR WATER
- Disconnect EVAP control system pressure sensor (1) harness connector.
- This illustration is a view from under vehicle
- EVAP canister (2)
- EVAP canister vent control valve (3)
- Check that water is not inside connectors.
Fig 2: Identifying EVAP Control System Pressure Sensor, EVAP Canister And EVAP Canister Vent Control ValveCourtesy of NISSAN NORTH AMERICA, INC.
OK or NG
OK: GO TO 3.
NG: Repair or replace harness connector.
- Disconnect EVAP control system pressure sensor (1) harness connector.
- CHECK POWER SUPPLY CIRCUITS
Check harness for short to power and short to ground, between the following terminals.
ECM terminal Sensor terminal Reference Wiring Diagram 72 Refrigerant pressure sensor terminal 3 "WIRING DIAGRAM " 76 Crankshaft position sensor (POS) terminal 1 "WIRING DIAGRAM " 87 APP sensor terminal 5 "WIRING DIAGRAM " 91 EVAP control system pressure sensor terminal 3 "WIRING DIAGRAM " OK or NG
OK: GO TO 4.
NG: Repair short to ground or short to power in harness or connectors.
- CHECK REFRIGERANT PRESSURE SENSOR
Refer to TROUBLE DIAGNOSIS .
OK or NG
OK: GO TO 5.
NG: Replace refrigerant pressure sensor. Refer to , "REMOVAL AND INSTALLATION FOR REFRIGERANT PRESSURE SENSOR ".
- CHECK CRANKSHAFT POSITION SENSOR (POS)
Refer to "COMPONENT INSPECTION ".
OK or NG
OK: GO TO 6.
NG: Replace crankshaft position sensor (POS). Refer to , "DISASSEMBLY AND ASSEMBLY ".
- CHECK APP SENSOR
Refer to "COMPONENT INSPECTION ".
OK or NG
OK: GO TO 8.
NG: GO TO 7.
- REPLACE ACCELERATOR PEDAL ASSEMBLY
Replace accelerator pedal assembly. Refer to , "REMOVAL AND INSTALLATION ".
INSPECTION END
- CHECK EVAP CONTROL SYSTEM PRESSURE SENSOR
Refer to "COMPONENT INSPECTION ".
OK or NG
OK: GO TO 9.
NG: Replace EVAP control system pressure sensor. Refer to , "REMOVAL AND INSTALLATION ".
- CHECK INTERMITTENT INCIDENT
Refer to TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT .
For wiring diagram, refer to "WIRING DIAGRAM ".
INSPECTION END