Diagnosis Procedure
- CHECK GROUND CONNECTION
- Turn ignition switch OFF.
- Check ground connection E21. Refer to Ground Inspection in
"CIRCUIT INSPECTION
".
Is the inspection result normal?
YES: GO TO 2.
NO: Repair or replace ground connection.
- CHECK THROTTLE POSITION SENSOR POWER SUPPLY CIRCUIT-I
- Disconnect electric throttle control actuator harness connector.
- Turn ignition switch ON.
- Check the voltage between electric throttle control actuator harness connector and ground.CONNECTOR TERMINAL VOLTAGE CHART
Electric throttle control actuator Ground Voltage Connector Terminal F29 1 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 POWER SUPPLY CIRCUIT-II
- Turn ignition switch OFF.
- Disconnect ECM harness connector.
- Check the continuity between electric throttle control actuator harness connector and ground.CONNECTOR TERMINAL CONTINUITY CHART
Electric throttle control actuator ECM Continuity Connector Terminal Connector Terminal F29 1 F8 47 Existed Is the inspection result normal?
YES: GO TO 4.
NO: Repair open circuit.
- 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.CONNECTOR TERMINAL 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 5.
NO: Repair open circuit or short to ground or short to power in harness or connectors.
- CHECK SENSOR POWER SUPPLY CIRCUIT
Check harness for short to power and short to ground, between the following terminals.
ECM REFERENCEECM Sensor Connector Terminal Name Connector Terminal F8 47 Electric throttle control actuator F29 1 59 CMP sensor (PHASE) F26 1 E16 83 APP sensor E110 4 Is the inspection result normal?
YES: GO TO 6.
NO: Repair 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.CONNECTOR TERMINAL CONTINUITY CHART
Electric throttle control actuator ECM Continuity Connector Terminal Connector Terminal F29 2 F8 37 Existed 3 38 - Also check harness for short to ground and short to power.
Is the inspection result normal?
YES: GO TO 7.
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 9.
NO: GO TO 8.
- REPLACE ELECTRIC THROTTLE CONTROL ACTUATOR
- Replace electric throttle control actuator.
- Go to
"SPECIAL REPAIR REQUIREMENT ".
INSPECTION END
- CHECK INTERMITTENT INCIDENT
Refer to "INTERMITTENT INCIDENT ".
INSPECTION END