For USA and Canada

P2118 THROTTLE CONTROL MOTOR

DTC Logic


DTC DETECTION LOGIC







DTC CONFIRMATION PROCEDURE


1. PRECONDITIONING

If DTC Confirmation Procedure has been previously conducted, always turn ignition switch OFF and wait at least 10 seconds before conducting the next test.
- GO TO 2.

2. PERFORM DTC CONFIRMATION PROCEDURE

1.Turn ignition switch ON and wait at least 2 seconds.
2.Start engine and let it idle for 5 seconds.
3.Check DTC.
Is DTC detected?
YES- Go to "DTC Logic" .
NO- INSPECTION END


Diagnosis Procedure


1. CHECK THROTTLE CONTROL MOTOR OUTPUT SIGNAL CIRCUIT FOR OPEN AND SHORT

1.Disconnect electric throttle control actuator harness connector.
2.Disconnect ECM harness connector.
3.Check the continuity between electric throttle control actuator harness connector and ECM harness connector.





4.Also check harness for short to ground and short to power.
Is the inspection result normal?
YES- GO TO 2.
NO- Repair or replace malfunctioning part.

2. CHECK THROTTLE CONTROL MOTOR

Refer to "Component Inspection (Electric Throttle Control Motor)" .
Is the inspection result normal?
YES- GO TO 3.
NO- GO TO 4.

3. CHECK INTERMITTENT INCIDENT

Refer to "Intermittent Incident" Intermittent Incident.
Is the inspection result normal?
YES- GO TO 4.
NO- Repair or replace harness or connectors.

4. REPLACE ELECTRIC THROTTLE CONTROL ACTUATOR

Replace electric throttle control actuator. Refer to "Removal and Installation" Removal and Installation.
- INSPECTION END


Component Inspection (Electric Throttle Control Motor)


1. CHECK THROTTLE CONTROL MOTOR

1.Turn ignition switch OFF.
2.Disconnect electric throttle control actuator harness connector.
3.Check resistance between electric throttle control actuator terminals as per the following.





Is the inspection result normal?
YES- INSPECTION END
NO- GO TO 2.

2. REPLACE ELECTRIC THROTTLE CONTROL ACTUATOR

Replace electric throttle control actuator. Refer to "Removal and Installation" Removal and Installation.
- INSPECTION END