Diagnosis Procedure
- CHECK THROTTLE POSITION SENSOR POWER SUPPLY
- Disconnect electric throttle control actuator harness connector.
- Turn ignition switch ON.
- Check the voltage between electric throttle control actuator harness connector and ground.
Electric throttle control actuator Ground Voltage (V) Connector Terminal F29 1 Ground Approx. 5 Is the inspection result normal?
YES: GO TO 2.
NO: Repair open circuit, short to ground or short to power in harness or connectors.
- CHECK THROTTLE POSITION SENSOR GROUND CIRCUIT FOR OPEN AND SHORT
- Turn ignition switch OFF.
- Disconnect ECM harness connector.
- Check the continuity between electric throttle control actuator harness connector and ECM harness connector.
Electric throttle control actuator ECM Continuity Connector Terminal Connector Terminal F29 4 F7 19 Existed - Also check harness for short to ground and short to power.
Is the inspection result normal?
YES: GO TO 3.
NO: Repair open circuit, short to ground or short to power in harness or connectors.
- CHECK THROTTLE POSITION SENSOR INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
- Check the continuity between electric throttle control actuator harness connector and ECM harness connector.
Electric throttle control actuator ECM Continuity Connector Terminal Connector Terminal F29 2 F7 22 Existed 3 23 - Also check harness for short to ground and short to power.
Is the inspection result normal?
YES: GO TO 4.
NO: Repair open circuit, short to ground or short to power in harness or connectors.
- Check the continuity between electric throttle control actuator harness connector and ECM harness connector.
- CHECK THROTTLE POSITION SENSOR
Check throttle position sensor. Refer to "COMPONENT INSPECTION ".
Is the inspection result normal?
YES: Check intermittent incident. Refer to "INTERMITTENT INCIDENT ".
NO: Replace electric throttle control actuator. Refer to "EXPLODED VIEW ".