Diagnostic Test

WARNING: This page is about a different car, the 2010 Dodge Charger and 2010 Chrysler 300. However, it is still accessible from the selected car via links, so may be relevant.

INSPECT SIREN HARNESS
1. Inspect the wiring harness to the siren for any signs of tampering or intermittent condition.
  Were there any problems found?
  
  Yes
  - Repair wiring as necessary.
  - Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) - Standard Procedure
  No
  - Go to step 2
DETERMINING IF DIAGNOSTIC TROUBLE CODE (DTC) IS CURRENT
1. With a scan tool, read and record DTCs.
2. With the scan tool, clear DTCs.
3. Turn the ignition off and remove the key from the ignition.
4. Lock and close all doors to allow the VTSS to go from pre-arm to armed status and wait one minute.
5. Disarm the VTSS.
6. Using the scan tool, read DTCs.
  Does the DTC reset?
  
  Yes
  - Go To step 3
  No
  - DTC is not active at this time. Test complete.
  - Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) - Standard Procedure
CHECK THE FUSED B(+) CIRCUIT AT THE SIREN

Fig 1: Checking Fused B(+) Circuit For Open Circuit
Courtesy of CHRYSLER LLC
1. Turn the ignition off.
2. Disconnect the Siren connector.
3. Using a 12-volt test light connected to ground, check the Fused B(+) circuit at the siren connector.
  Does the test light illuminate brightly?
  
  Yes
  - Go To step 4
  No
  - Repair the Fused B(+) circuit for an open.
  - Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) - Standard Procedure
CHECK THE GROUND CIRCUIT AT THE SIREN

Fig 2: Checking Ground Circuit For Open
Courtesy of CHRYSLER LLC
1. Using a 12-volt test light connected to 12-volts, check the Ground circuit at the siren connector.
  Does the test light illuminate brightly?
  
  Yes
  - Replace the Siren in accordance with the Service Information.
  - Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) - Standard Procedure
  No
  - Repair the Ground circuit for an open.
  - Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) - Standard Procedure