Diesel Data: Automotive Repair

Security System Does Not Disarm With The Transmitter

1. With all the doors closed and locked, do the doors unlock when the transmitter UNLOCK button is pressed?

Yes - Go to the next step.
No - Go to "Doors Do Not Unlock With The Transmitter" ('96-98 models) or ('99 models).




2. Is there approximately 5 volts at terminal 1 of the security control unit connector?
Yes - Go to the next step.
No - Security control unit.

3. Is there battery voltage at terminal 13 of the keyless receiver unit ('96-'98 models) or the keyless door lock control unit ('99 models)?




'96-'98 models:




'99 models:

Yes - Replace the radio ('96-'98 models) or the keyless door lock control unit ('99 models).
No - Repair the damaged YEL/BLU wire between the security control unit and the radio.