Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la
If it fails: lemon-manuals.org.ua

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Camshaft Position Sensor: Testing and Inspection

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

Terminal 85 and engine ground
If NG, replace distributor assembly with camshaft position sensor.