VR30DDTT engine
- CHECK THROTTLE POSITION SENSOR 2 POWER SUPPLY
- Disconnect electric throttle control actuator harness connector.
- Turn ignition switch ON.
- 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.
- CHECK THROTTLE POSITION SENSOR 2 POWER SUPPLY 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.
+
-
Continuity
Electric throttle control actuator
ECM
Bank
Connector
Terminal
Connector
Terminal
2
F119
5
F142
132
Existed
- Also check harness for short to ground and short to power.
Is the inspection result normal?
YES
GO TO 3.
NO
Repair or replace error-detected parts.
- CHECK SENSOR POWER SUPPLY 2 CIRCUIT
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.
- CHECK THROTTLE POSITION SENSOR 2 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.
+
-
Continuity
Electric throttle control actuator
ECM
Bank
Connector
Terminal
Connector
Terminal
2
F119
4
F142
121
Existed
- Also check harness for short to ground and short to power.
Is the inspection result normal?
YES
GO TO 5.
NO
Repair or replace error-detected parts.
- CHECK ECM GROUND CIRCUIT FOR OPEN AND SHORT
- Check the continuity between ECM harness connector and ground.
+
-
Continuity
ECM
Connector
Terminal
F143
3
Ground
Existed
F142
87
88
E152
199
201
204
- Also check harness for short to power.
Is the inspection result normal?
YES
GO TO 6.
NO
Repair or replace error-detected parts.
- Check the continuity between ECM harness connector and ground.
- CHECK THROTTLE POSITION SENSOR 2 INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
- Check the continuity between electric throttle control actuator harness connector and ECM harness connector.
+
-
Continuity
Electric throttle control actuator
ECM
Bank
Connector
Terminal
Connector
Terminal
2
F119
3
F142
111
Existed
- Also check harness for short to ground and short to power.
Is the inspection result normal?
YES
GO TO 7.
NO
Repair or replace error-detected parts.
- 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
INSPECTION END
NO
Replace malfunctioning electric throttle control actuator. Refer to INTAKE MANIFOLD COLLECTOR : Exploded View .