Operation CHARM: Car repair manuals for everyone.

Camshaft Position Sensor: Testing and Inspection

Component Inspection

CAMSHAFT POSITION SENSOR

1. Start engine and warm it up to normal operating temperature.




2. Check voltage between ECM terminals 75, 85 and engine ground under the given conditions.




Terminal 75 and engine ground




Terminal 85 and engine ground

If NG, replace distributor assembly with camshaft position sensor.