Operation CHARM: Car repair manuals for everyone.

Wastegate Solenoid: Testing and Inspection

WASTEGATE CONTROL SOLENOID VALVE INSPECTION







1. Remove the wastegate control solenoid valve.
2. Inspect the airflow between the ports under the following conditions.
- If not as specified, replace the wastegate 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 an open or short circuit (continuity check).

Open circuit
- If there is no continuity, there is an open circuit. Repair or replace the wiring harness.
- Variable swirl solenoid valve terminal B and PCM terminal 4H
- Variable swirl solenoid valve terminal A and main relay terminal C

Short circuit
- If there is continuity, there is a short circuit. Repair or replace the wiring harness.
- Variable swirl solenoid valve terminal B and body around
- Variable swirl solenoid valve terminal A and power supply