DTC Diagnosis Procedure
- CHECK THROTTLE POSITION SENSOR 2 POWER SUPPLY-1
- Turn ignition switch OFF.
- Disconnect electric throttle control actuator harness connector.
- Turn ignition switch ON.
- Check the voltage between electric throttle control actuator harness connector terminals.
Electric throttle control actuator
Voltage
(Approx.)
Connector
+
-
Terminal
F50
2
4
5 V
Is the inspection result normal?
YES
GO TO 7 .
NO
GO TO 2 .
- CHECK THROTTLE POSITION SENSOR 2 POWER SUPPLY-2
Check the voltage between electric throttle control actuator harness connector and ground.
+
-
Voltage
(Approx.)
Electric throttle control actuator
Connector
Terminal
F50
2
Ground
5 V
Is the inspection result normal?
YES
GO TO 5 .
NO
GO TO 3 .
- CHECK THROTTLE POSITION SENSOR 2 POWER SUPPLY CIRCUIT
- 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
Connector
Terminal
Connector
Terminal
F50
2
F54
24
Existed
- Also check harness for short to power.
Is the inspection result normal?
YES
GO TO 4 .
NO
Repair or replace error-detected parts.
- CHECK SENSOR POWER SUPPLY 2 CIRCUIT
Check sensor power supply 2 circuit. Refer to DTC Diagnosis Procedure .
Is the inspection result normal?
YES
Check intermittent incident. Refer to Intermittent Incident .
NO
Repair or replace error-detected parts.
- CHECK THROTTLE POSITION SENSOR 2 GROUND CIRCUIT
- 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
Connector
Terminal
Connector
Terminal
F50
4
F54
19
Existed
Is the inspection result normal?
YES
GO TO 6 .
NO
Repair or replace error-detected parts.
- CHECK ECM GROUND CIRCUIT
Check the continuity between ECM harness connector and the ground.
+
-
Continuity
ECM
Connector
Terminal
E16
123
Ground
Existed
124
127
128
F54
12
16
Is inspection result normal?
YES
Check intermittent incident. Refer to Intermittent Incident .
NO
Repair or replace error-detected parts.
- CHECK THROTTLE POSITION SENSOR 2 INPUT SIGNAL CIRCUIT
- Check the continuity between electric throttle control actuator harness connector and ECM harness connector.
+
-
Continuity
Electric throttle control actuator
ECM
Connector
Terminal
Connector
Terminal
F50
3
F54
23
Existed
- Also check harness for short to ground and to power.
Is the inspection result normal?
YES
GO TO 8 .
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
Check the throttle position sensor. Refer to Component Inspection .
Is the inspection result normal?
YES
Check intermittent incident. Refer to Intermittent Incident .
NO
Replace electric throttle control actuator. Refer to Exploded View .