Diagnosis Procedure
- CHECK GROUND CONNECTION
- Turn ignition switch OFF.
- Check ground connection M95. Refer to Ground Inspection in
"CIRCUIT INSPECTION
".
Is the inspection result normal?
YES: GO TO 2.
NO: Repair or replace ground connection.
- CHECK EVAP CONTROL SYSTEM PRESSURE SENSOR CONNECTOR FOR WATER
- Disconnect EVAP control system pressure sensor harness connector.
- Check sensor harness connector for water.
Water should not exist.
Is the inspection result normal?
YES: GO TO 3.
NO: Repair or replace harness connector.
- CHECK EVAP CONTROL SYSTEM PRESSURE SENSOR POWER SUPPLY CIRCUIT
- Turn ignition switch ON.
- Check the voltage between EVAP control system pressure sensor harness connector and ground.
EVAP control system pressure sensor Ground Voltage (V) Connector Terminal B252 3 Ground Approx. 5 Is the inspection result normal?
YES: GO TO 8.
NO: GO TO 4.
- CHECK SENSOR POWER SUPPLY CIRCUIT
Check harness for short to power and short to ground, between the following terminals:
ECM Sensor Connector Terminal Name Connector Terminal F101 46 Crankshaft position (CKP) sensor F2 1 F102 64 Camshaft position (CMP) sensor (bank 2) F18 1 Exhaust valve timing (EVT) control position sensor (bank 2) F19 1 Battery current sensor E21 1 M107 103 Accelerator pedal position (APP) sensor E112 (Without ICC) 6 E116 (With ICC) 3 107 EVAP control system pressure sensor B252 3 111 Refrigerant pressure sensor E77 3 Is the inspection result normal?
YES: GO TO 5.
NO: Repair short to ground or short to power in harness or connectors.
- CHECK COMPONENTS
Check the Following:
- CKP sensor (Refer to "COMPONENT INSPECTION ".)
- CMP sensor (bank 2) (Refer to "COMPONENT INSPECTION ".)
- EVT control position sensor (bank 2) (Refer to "COMPONENT INSPECTION ".)
- Battery current sensor (Refer to "COMPONENT INSPECTION ".)
- Refrigerant pressure sensor (Refer to
"DIAGNOSIS PROCEDURE
".)
Is the inspection result normal?
YES: GO TO 6.
NO: Replace malfunctioning component.
- CHECK APP SENSOR
Refer to "COMPONENT INSPECTION ".
Is the inspection result normal?
YES: GO TO 9.
NO: GO TO 7.
- REPLACE ACCELERATOR PEDAL ASSEMBLY
Replace accelerator pedal assembly. Refer to "MODELS WITHOUT DISTANCE CONTROL ASSIST SYSTEM: REMOVAL AND INSTALLATION " (without distance control assist) or "MODELS WITH DISTANCE CONTROL ASSIST SYSTEM: REMOVAL AND INSTALLATION " (without distance control assist).
: INSPECTION END
- CHECK EVAP CONTROL SYSTEM PRESSURE SENSOR
Refer to "COMPONENT INSPECTION ".
Is the inspection result normal?
YES: GO TO 9.
NO: Replace EVAP control system pressure sensor. Refer to "VQ35HR: REMOVAL AND INSTALLATION ".
- CHECK INTERMITTENT INCIDENT
Perform "INTERMITTENT INCIDENT ".
: INSPECTION END