Operation CHARM: Car repair manuals for everyone.

Park/Neutral and Backup Circuits

Note: LED will turn "RED" when the circuit closed and turned "OFF" when the circuit is open.






1. Tester select switch to the "MLP SENSOR TEST" position.
2. Press and hold each button while moving the selector lever through each range position.
3. Monitor each "LED".






4. The status "LED" should indicate "RED" only in the indicated position. Refer to overlay.
5. If the LED does not indicate "RED" in the desired position, or indcated "RED" in another position, first verify MLP alignment and then retest. If the sensor fails them replace.