Overboost Switch: Testing and Inspection

C1 Connect Pressure Tester





Connect pressure tester/gauge 5230 to hose at intake manifold.

C2 Check Pressure Sensor
Pressure sensor is located next to expansion tank in engine compartment.

Checking Switch In Engine Compartment:

- Disconnect connector from sensor.
- Connect a buzzer.
- Increase pressure with pump.
The sensor should cutout (buzzing stops) at approx. 85 - 95 kPa (12.1 - 13.5 psi).
- Remove buzzer and connect electrical connector.
- Remove 5230 and reconnect hose at intake manifold.