For 1990-2009 cars

Step | Action | Values | Yes | No
--- | --- | --- | --- | ---
1 | Did you perform the Diagnostic System Check - Vehicle? | -- | Go to Step 2 | Go to Diagnostic System Check - Vehicle
2 | Perform one of the following to activate the content theft deterrent (CTD) alarm mode :

• | Operate the PANIC button on the keyless entry transmitter.

• | Complete the following steps :

1. Open the driver window.
2. Lock the vehicle using the power door lock switch.
3. Close all of the doors and wait at least 30 seconds.
4. Reach in and unlock the driver door manually.
5. Open the driver door.

Do all of the alarm mode functions activate-lights flash and horn pulses?

--

Go to Testing for Intermittent Conditions and Poor Connections

Go to Step 3

3 | Are only the parking lamps inoperative? | -- | Go to Symptoms - Lighting | Go to Content Theft Deterrent (CTD) Alarm Mode Inoperative