Security System Does Not Arm

1. With all the doors closed, do the doors lock when you press the transmitter LOCK button?

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

2. Check the trunk open indicator in the gauge assembly. With the ignition switch in the ON (II) position, does the trunk open indicator come on even with the trunk closed?

Yes - Faulty trunk latch switch or short in BLU/BLK wire.
No - Go to the next step.




3. Does the voltage at terminal 2 of the security control unit connector change from approximately 5 volts with all doors closed, to less than 1 volt when any door is opened?

Yes - Go to the next step.
No - Repair the damaged terminal 2 (LT GRN/RED) wire.




4. Does the voltage at terminal 3 of the security control unit connector change from battery voltage with the trunk closed, to less than 1 volt when the trunk is opened?

Yes - Go to the next step.
No - Repair the damaged terminal 3 (BLU/BLK) wire.




5. Does the voltage at terminal 15 of the security control unit connector change from battery voltage the key is not in the ignition, to less than 1 volt when the key is in the ignition?

Yes - Go to the next step.
No - Repair the damaged terminal 15 (BLU/RED) wire.




6. Is there approximately 5 volts at terminal 22 of the security control unit connector?

Yes - Go to the next step.
No - Replace the security control unit.

7. Is there approximately 5 volts at terminal 12 ('96-'98 models) or 14 ('99 models) 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 WHT/BLK ('96-'98 models) or BLU/YEL ('99 models) wire between the security control unit and the radio ('96-'98 models) or the keyless door lock control unit ('99 models).