Operation CHARM: Car repair manuals for everyone.

Camshaft Position Sensor: Testing and Inspection










CAMSHAFT POSITION SENSOR
1. Start engine and warm it up to normal operating temperature.
2. Check voltage between ECM terminals 66, 85 and engine ground under the following conditions.
Terminal 66 (or 75) and engine ground.
If NG, replace distributor assembly with camshaft position sensor.