Electronic Throttle Actuator: Testing and Inspection

THROTTLE BODY INSPECTION [L3]

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 throttle actuator terminals E and F.
- If not as specified, replace the throttle body.
- If as specified, carry out the "Circuit Open/Short Inspection".

Specification






Circuit Open/Short Inspection
1. Disconnect the PCM connector.
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 actuator terminal E and PCM terminal 2BF
- Throttle actuator terminal F and PCM terminal 2BE

Short circuit
- If there is continuity, the circuit is shorted. Repair or replace the wiring harness.
- Throttle actuator terminal E and power supply
- Throttle actuator terminal E and body ground
- Throttle actuator terminal F and power supply
- Throttle actuator terminal F and body ground