Electronic Throttle Actuator: Testing and Inspection

THROTTLE BODY INSPECTION [LF]

Resistance Inspection

1. Remove the battery cover. Removal and Replacement

2. Disconnect the negative battery cable. Removal and Replacement

3. Disconnect the throttle body connector.

4. Measure the resistance between throttle actuator terminals A and B.





Specification





- If not as specified, replace the throttle body. Service and Repair
- If as specified, carry out the "Circuit Open/Short Inspection".

Circuit Open/Short Inspection

1. Disconnect the PCM connector. Service and Repair

2. Inspect the following wiring harnesses for open or short (continuity check).






Open circuit

- If there is no continuity, the circuit is open. Repair or replace the wiring harness.

- Throttle valve actuator terminal A and PCM terminal 2B
- Throttle valve actuator terminal B and PCM terminal 2A

Short circuit

- If there is continuity, the circuit is shorted. Repair or replace the wiring harness.

- Throttle valve actuator terminal A and power supply
- Throttle valve actuator terminal A and ground
- Throttle valve actuator terminal B and power supply
- Throttle valve actuator terminal B and ground