Important: Before attempting to diagnose the intrusion sensor, ensure that the intrusion sensor is ENABLED, via the intrusion sensor defeat switch.
Step  | Action  | Values  | Yes  | No  | 
|---|---|---|---|---|
Schematic Reference: Theft Deterrent System Schematics Connector End View Reference: Theft Deterrent System Connector End Views DEFINITION: After arming, the Content Theft Deterrent (CTD) system does not enter alarm mode when there is motion inside the vehicle.  | ||||
1  | Did you perform the Diagnostic System Check - Vehicle?  | --  | Go to Step 2  | |
2  | 
 Does the test lamp illuminate?  | --  | Go to Step 3  | Go to Step 7  | 
3  | With a DMM, measure the voltage of the intrusion sensor alarm on signal circuit at the intrusion sensor harness connector. Is the voltage near the specified value?  | B+  | Go to Step 4  | Go to Step 5  | 
4  | Test the intrusion sensor armed signal circuit for a short to ground, or an open. Refer to Circuit Testing and Wiring Repairs . Did you find and correct the condition?  | --  | Go to Step 11  | Go to Step 6  | 
5  | Test the intrusion sensor alarm on signal circuit for an open or a short to ground. Refer to Circuit Testing and Wiring Repairs . Did you find and correct the condition?  | --  | Go to Step 11  | Go to Step 9  | 
6  | Inspect for a loose or poor connection at the harness connector of the intrusion sensor. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs . Did you find and correct the condition?  | --  | Go to Step 11  | Go to Step 8  | 
7  | Repair the intrusion sensor battery positive voltage circuit. Refer to Wiring Repairs . Did you complete the repair?  | --  | Go to Step 11  | --  | 
8  | Replace the intrusion sensor. Refer to Intrusion Sensor Inoperative . Did you correct the condition?  | --  | Go to Step 11  | Go to Step 9  | 
9  | Inspect for a loose or poor connection at the harness connector of the body control module (BCM). Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs . Did you find and correct the condition?  | --  | Go to Step 11  | Go to Step 10  | 
10  | Replace the BCM. Refer to Control Module References for replacement, setup, and programming. Did you complete the replacement?  | --  | Go to Step 11  | --  | 
11  | Operate the system in order to verify the repair. Did you correct the condition?  | --  | System OK  | Go to Step 2  |