DTC Diagnosis Procedure

1. Disconnect electric throttle control actuator harness connector.
2. Turn ignition switch ON.
3. Check the voltage between electric throttle control actuator harness connector and ground.

   +			-	Voltage (Approx.)
   Electric throttle control actuator
   Bank	Connector	Terminal
   2	F119	5	Ground	5 V

Is the inspection result normal?

YES

GO TO 4.

NO

GO TO 2.

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

   Electric throttle control actuator			ECM		Continuity
   Bank	Connector	Terminal	Connector	Terminal
   2	F119	5	F142	105	Existed

4. Also check harness for short to power and short to ground.

Is the inspection result normal?

YES

GO TO 3.

YES

Perform trouble diagnosis for ECM power supply circuit. Refer to Diagnosis Procedure .

NO

Repair or replace error-detected parts.

Refer to Diagnosis Procedure .

Is the inspection result normal?

YES

Perform the trouble diagnosis for ECM power supply circuit. Refer to Diagnosis Procedure .

NO

Repair or replace error-detected parts.

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

   Electric throttle control actuator			ECM		Continuity
   Bank	Connector	Terminal	Connector	Terminal
   2	F119	4	F142	104	Existed

4. Also check harness for short to power.

Is the inspection result normal?

YES

GO TO 5.

NO

Repair or replace error-detected parts.

1. Check the continuity between ECM harness connector and ground.

   ECM		--	Continuity
   Connector	Terminal
   F143	2	Ground	Existed
   	7
   F142	87
   	88
   	95
   E152	199
   	201
   	204

2. Also check harness for short to power.

Is the inspection result normal?

YES

GO TO 6.

NO

Repair or replace error-detected parts.

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

   Electric throttle control actuator			ECM		Continuity
   Bank	Connector	Terminal	Connector	Terminal
   2	F119	3	F142	112	Existed
   		6		106

2. Also check harness for short to power and short to ground.

Is the inspection result normal?

YES

GO TO 8.

NO

Repair or replace error-detected parts.

Refer to Component Inspection .

Is the inspection result normal?

YES

INSPECTION END

NO

Replace malfunctioning electric throttle control actuator. Refer to INTAKE MANIFOLD COLLECTOR : Exploded View .