Diagnostic Test

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 At Siren Connector Using 12-Volt Test Light Connected To Ground
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 At Siren Connector Using 12-Volt Test Light Connected To 12-Volts
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 .