Diagnostic Procedure
- CHECK GROUND CONNECTIONS
- Turn ignition switch OFF.
- Loosen and retighten three ground screws on the body. Refer to "GROUND INSPECTION ".
OK or NG
- OK: GO TO 2.
- NG: Repair or replace ground connections.
- CHECK APP SENSOR 1 POWER SUPPLY CIRCUIT
- Disconnect accelerator pedal position (APP) sensor harness connector.
- Turn ignition switch ON.
- Check voltage between APP sensor terminal 7 and ground with CONSULT-II or tester.
- Voltage: Approximately 5V
OK or NG
- OK: GO TO 5.
- NG: GO TO 3.
- CHECK SENSOR POWER SUPPLY CIRCUITS
Check harness for short to power and short to ground, between the following terminals
SENSOR POWER SUPPLY CIRCUITSECM terminal Sensor terminal Reference Wiring Diagram 48 EVAP control system pressure sensor terminal 3 WIRING DIAGRAM 49 Refrigerant pressure sensor terminal 1 ASCD INDICATOR 68 Power steering pressure sensor terminal 1 WIRING DIAGRAM 90 APP sensor terminal 7 WIRING DIAGRAM OK or NG
- OK: GO TO 4.
- NG: Repair short to ground or short to power in harness or connectors.
- CHECK COMPONENTS
Check the following.
- EVAP control system pressure sensor (Refer to "COMPONENT INSPECTION ".)
- Power steering pressure sensor (Refer to "COMPONENT INSPECTION ".)
- Refrigerant pressure sensor (refer to "COMPONENT INSPECTION ".)
OK or NG
- OK: GO TO 7.
- NG: Replace malfunctioning components.
- CHECK ACCELERATOR PEDAL POSITION SENSOR
Refer to "COMPONENT INSPECTION "
OK or NG
- OK: GO TO 7.
- NG: GO TO 6.
- REPLACE ACCELERATOR PEDAL ASSEMBLY
- Replace accelerator pedal position assembly.
- Perform "ACCELERATOR PEDAL RELEASED POSITION LEARNING ".
- Perform "THROTTLE VALVE CLOSED POSITION LEARNING ".
- Perform
"IDLE AIR VOLUME LEARNING ".
- : INSPECTION END
- CHECK INTERMITTENT INCIDENT
Refer to "TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT "
- : INSPECTION END