Variable Induction Control Solenoid: Testing and Inspection

VARIABLE AIR DUCT (VAD) CONTROL SOLENOID VALVE INSPECTION[AJ]

1. Remove the VAD control solenoid valve.







2. Inspect airflow between the ports under the following conditions.
- If not as specified, replace the VAD control solenoid valve.
- If as specified, carry out the "Circuit Open/Short Inspection".

Circuit Open/Short Inspection
1. Disconnect the PCM connector.




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

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 body ground
- VAD control solenoid valve terminal A and power supply