DTC Diagnosis Procedure
- 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.
Electric throttle control actuator
Ground
Voltage (V)
Connector
Terminal
F94
3
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
F94
2
F92
85
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
F94
1
F92
78
Existed
4
80
- 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
Refer to Component Inspection .
Is the inspection result normal?
YES
GO TO 6.
NO
GO TO 5.
- REPLACE ELECTRIC THROTTLE CONTROL ACTUATOR
Replace electric throttle control actuator. Refer to INTAKE MANIFOLD : Removal & Installation .
INSPECTION END
- CHECK INTERMITTENT INCIDENT
Refer to Inspection .
INSPECTION END