Open circuit
- If there is no continuity, there is an open circuit. Repair or replace the harness. VAD control solenoid valve terminal B and PCM terminal 1BB VAD control solenoid valve terminal A and main relay terminal C
Short circuit
- If there is continuity, there is a short circuit. Repair or replace the harness. VAD control solenoid valve terminal B and body ground VAD control solenoid valve terminal A and power supply
Scheme 199
- Remove the VAD check valve (one-way). (See «INTAKE AIR SYSTEM REMOVAL/INSTALLATION [AJ]»(ref-244591-S27284000802006092500000) ).
- Blow through A and verify that air flows from B.
- Blow through B and verify that air does not flow from A. If not as specified, replace the VAD check valve (one-way).
- If there is no continuity, there is an open circuit. Repair or replace the harness. Throttle actuator terminal B and PCM terminal 2A Throttle actuator terminal A and PCM terminal 2B
- If there is continuity, there is a short circuit. Repair or replace the harness. Throttle actuator terminal B and power supply Throttle actuator terminal B and body ground Throttle actuator terminal A and power supply Throttle actuator terminal A and body ground
Scheme 200
- Remove in the order indicated in the table.
- Install in the reverse order of removal.