Electronic Throttle Actuator: Testing and Inspection

THROTTLE ACTUATOR INSPECTION [L3 WITH TC]

NOTE:
- Perform the following inspection only when directed.

Resistance Inspection

1. Disconnect the negative battery cable.

2. Disconnect the throttle body connector.

3. Measure the resistance between the throttle actuator terminals using a tester.

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





Circuit Open/Short Inspection

1. Disconnect the PCM connector. (See Service and Repair.)

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











Open circuit

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

- Throttle actuator terminal F and PCM terminal 2A
- Throttle actuator terminal E and PCM terminal 2B

Short circuit

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

- Throttle actuator terminal F and power supply
- Throttle actuator terminal F and ground
- Throttle actuator terminal E and power supply
- Throttle actuator terminal E and ground