Electronic Throttle Actuator: 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