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Throttle Body: Testing and Inspection




THROTTLE BODY INSPECTION [LF, 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. Service and Repair
- If as specified, carry out the "Circuit Open/Short Inspection".
Specification









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

Short circuit

- If there is continuity, the circuit is shorted. 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

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