Operation CHARM: Car repair manuals for everyone.
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 or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

Power Locks: Testing and Inspection

Trouble Diagnoses




SYMPTOM CHART







MAIN POWER SUPPLY AND GROUND CIRCUIT CHECK
Main Power Supply Circuit Check








Ground Circuit Check







DOOR SWITCH CHECK




KEY SWITCH (INSERT) CHECK




DOOR LOCK/UNLOCK SWITCH CHECK







FRONT DOOR KEY CYLINDER SWITCH CHECK




FRONT DOOR UNLOCK SENSOR CHECK







DOOR LOCK ACTUATOR CHECK