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)

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Pinpoint Test 5

PINPOINT TEST 5: THE DOORS DO NOT LOCK/UNLOCK USING THE KEYLESS ENTRY REMOTE TRANSMITTER

Step 1 - 4:




Step 5 - 7:




Step 8 - 10:






Normal Operation
Remote locking and unlocking of the doors is accomplished by the SJB receiving a command message from the remote transmitter. The SJB processes the command and provides voltage and ground to the door lock actuators.

Possible Causes
- remote transmitter battery
- remote transmitter programming
- remote transmitter
- aftermarket systems
- high power devices
- TV/radio transmission towers
- SJB