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 POSITION SENSOR POWER SUPPLY CIRCUIT
- Disconnect electric throttle control actuator harness connector.
- Turn ignition switch ON.
- Check the voltage between electric throttle control actuator harness connector and ground.VOLTAGE REFERENCE CHART
Electric throttle control actuator Ground Voltage Connector Terminal F29 2 Ground Approx. 5 V Is the inspection result normal?
YES: Go to 3.
NO: Repair open circuit or 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 ground.CONTINUITY CHART
Electric throttle control actuator ECM Continuity Connector Terminal Connector Terminal F29 4 F8 36 Existed - Also check harness for short to ground and short to power.
Is the inspection result normal?
YES: Go to 4.
NO: Repair open circuit or 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 ground.CONTINUITY CHART
Electric throttle control actuator ECM Continuity Connector Terminal Connector Terminal F29 1 F8 33 Existed 3 34 - Also check harness for short to ground and short to power.
Is the inspection result normal?
YES: Go to 5.
NO: Repair open circuit or short to ground or short to power in harness or connectors.
- Check the continuity between electric throttle control actuator harness connector and ground.
- CHECK THROTTLE POSITION SENSOR
Refer to "COMPONENT INSPECTION ".
Is the inspection result normal?
YES: Go to 7.
NO: Go to 6.
- REPLACE ELECTRIC THROTTLE CONTROL ACTUATOR
Replace electric throttle control actuator. Refer to "EXPLODED VIEW ".
INSPECTION END
- CHECK INTERMITTENT INCIDENT
Refer to "INTERMITTENT INCIDENT ".
INSPECTION END