Air Supply Valve Solenoid (Turbo)
- Remove valve connector. Using ohmmeter, check resistance between terminals of air supply valve. Resistance should be between 16.5-23.5 ohms.
- Apply battery voltage and ground to valve terminals. Listen for operating sound from valve. Replace valve if resistance is not within specification or no operating sound exists.
CAUTION:
DO NOT turn adjusting screw on air supply valve solenoid.