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

Test F

PINPOINT TEST F: A SINGLE DOOR LOCK IS INOPERATIVE - DRIVER DOOR


Test F1-F2:






Test F3-F5:






Normal Operation
The driver door module (DDM) receives lock/unlock inputs from the driver door lock control switch, passenger door lock control switch (through the rear electronic module), remote transmitter or keyless entry keypad. The DDM will then lock/unlock the driver door by utilizing circuit 33-AA10 (YE/BK) and circuit 32-AA11 (WH/VT).

Possible Causes
- circuit 33-AA10 (YE/BK) shorted to ground or open
- circuit 32-AA11 (WH/VT) shorted to ground or open
- driver door latch
- DDM