Boost Control Solenoid Valve Check
- Remove solenoid power connector. Remove solenoid valve bleed hose at engine. Apply low air pressure to hose to ensure valve is closed.
- Using jumper wire, apply battery voltage to solenoid connector Red/Black wire and attach Brown/Yellow wire to ground. Apply low air pressure to hose to ensure valve is open. If valve does not operate as described, replace boost control solenoid valve.