Diagnosis Procedure
- CHECK GROUND CONNECTION
- Turn ignition switch OFF.
- Check ground connection E38. Refer to "CIRCUIT INSPECTION ".
Is the inspection result normal?
YES: GO TO 2.
NO: Repair or replace ground connection.
- CHECK THROTTLE CONTROL MOTOR OUTPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
- Disconnect electric throttle control actuator harness connector.
- Disconnect ECM harness connector.
- Check the continuity between electric throttle control actuator harness connector and ECM harness connector.TERMINAL CONTINUITY REFERENCE CHART
Electric throttle control actuator ECM Continuity Connector Terminal Connector Terminal F29 5 F7 1 Not existed 4 Existed 6 1 Existed 4 Not existed - Also check harness for short to ground and short to power.
Is the inspection result normal?
YES: GO TO 3.
NO: Repair or replace.
- CHECK THROTTLE CONTROL MOTOR
Refer to "COMPONENT INSPECTION ".
Is the inspection result normal?
YES: GO TO 4.
NO: GO TO 5.
- CHECK INTERMITTENT INCIDENT
Refer to "INTERMITTENT INCIDENT ".
Is the inspection result normal?
YES: GO TO 5.
NO: Repair or replace harness or connectors.
- REPLACE ELECTRIC THROTTLE CONTROL ACTUATOR
- Replace electric throttle control actuator.
- Perform "SPECIAL REPAIR REQUIREMENT ".
INSPECTION END