Test Description
WARNING: This page is about a different car, the 2006 Pontiac Montana SV6, 2006 Chevrolet Uplander, and 2006 Buick Terraza. However, it is still accessible from the selected car via links, so may be relevant.
The number below refers to the step number on the diagnostic table.
- 2: Repeat the procedure in step 2 for the driver and passenger door lock cylinders.
Content Theft Deterrent (CTD) Does Not Disarm with Key Lock
| Step | Action | Yes | No |
|---|---|---|---|
| Schematic Reference: Theft Deterrent System Schematics Connector End View Reference: Theft Deterrent System Connector End Views DEFINITION: The Content Theft Deterrent (CTD) system does not disarm when the vehicle is unlocked with the key. |
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| 1 | Did you perform the Diagnostic System Check - Vehicle? | Go to Step 2 | Go to Diagnostic System Check - Vehicle in Vehicle DTC Information |
| 2 |
|
Go to Step 3 | Go to Power Door Locks Inoperative - Key Cylinder Switches in Wiring Systems |
| 3 | Does the CTD System disarm when the doors are unlocked? | Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems | Go to Step 4 |
| 4 |
|
Go to Step 9 | Go to Step 5 |
| 5 | Connect the 3-amp fused jumper wire from the door lock key switch unlock signal circuit to a good ground. Does the CTD System disarm when the jumper wire is connected? |
Go to Step 6 | Go to Step 7 |
| 6 | Repair the open or high resistance in the ground circuit of the driver door key switch. Refer to Circuit Testing
and Wiring Repairs
in Wiring Systems. Did you find and correct the condition? |
Go to Step 12 | - |
| 7 | Test the door lock key switch unlock signal circuit for an open or high resistance. Refer to Circuit Testing
and Wiring Repairs
in Wiring Systems. Did you find and correct the condition? |
Go to Step 12 | Go to Step 8 |
| 8 | Inspect for loose or poor connections at the harness connector of the body control module (BCM). Refer to Testing for Intermittent Conditions and Poor Connections
and Connector Repairs
in Wiring Systems. Did you find and correct the condition? |
Go to Step 12 | Go to Step 10 |
| 9 | Inspect for loose or poor connections at the harness connector of the driver door key switch. Refer to Testing for Intermittent Conditions and Poor Connections
and Connector Repairs
in Wiring Systems. Did you find and correct the condition? |
Go to Step 12 | Go to Step 11 |
| 10 | Replace the BCM. Refer to Control Module References
in Computer/Integrating Systems for replacement, setup and programming. Did you complete the replacement? |
Go to Step 12 | - |
| 11 | Replace the driver door key switch. Refer to Lock Cylinder Replacement - Door
in Doors. Did you complete the repair? |
Go to Step 12 | - |
| 12 | Operate the system in order to verify the repair. Did you correct the condition? |
System OK | Go to Step 2 |