Operation CHARM: Car repair manuals for everyone.

Security System Does Not Disarm

Security System Does Not Disarm

1. Is the fuse in the security in-line fuse holder OK ?

Yes - Go to the next step.
No - Replace the blown fuse, then go to the next step.

2. Does the fuse blow again?

Yes - Locate and repair the short.
No - Retest the system.




3. Is there battery voltage at terminal 11 of the security control unit connector, when the ignition switch is in the ON (II) position?

Yes - Replace the security control unit.
No - Locate the open in the wiring between the ignition switch and the security control unit.