Diagnostic Test

WARNING: This page is about a different car, the 2011 Dodge Nitro. However, it is still accessible from the selected car via links, so may be relevant.

DETERMINING IF DIAGNOSTIC TROUBLE CODE (DTC) IS CURRENT
NOTE:
Diagnose any related Communication DTCs before continuing.
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 2.
  No
  - Test complete, the condition or conditions that originally set this DTC are not present at this time. Using the wiring diagrams as a guide, check all related splices and connectors for signs of water intrusion, corrosion, pushed out or bent terminals, and correct pin tension.
  - Refer to STANDARD PROCEDURE and perform the BODY VERIFICATION TEST.
INTRUSION SENSOR RECEIVER
1. Disconnect the Intrusion Sensor Receiver harness connector.
  NOTE:
  Check connectors - Clean/repair as necessary.
2. Connect a known good Intrusion Sensor Receiver.
3. Turn the ignition on.
4. With the scan tool, clear DTCs.
5. Turn the ignition off and remove the key from the ignition.
6. Lock and close all doors to allow the VTSS to go from pre-arm to armed status and wait one minute.
7. Disarm the VTSS.
8. Using the scan tool, read DTCs.
  Does the DTC reset?
  
  Yes
  - Go To 3.
  No
  - Replace the original Intrusion Sensor Receiver.
  - Refer to STANDARD PROCEDURE and perform the BODY VERIFICATION TEST.
CHECK THE (G460) INTRUSION RECEIVER SENSOR SIGNAL WIRE FOR A SHORT TO THE (G946) SENSOR GROUND CIRCUIT

Fig 1: Checking Intrusion Receiver Sensor Signal Wire For Short To Sensor Ground Circuit
Courtesy of CHRYSLER LLC
1. Turn the ignition off.
2. Disconnect the Intrusion Sensor Transceiver harness connector.
3. Disconnect the Intrusion Transceiver Module harness connector.
4. Measure the resistance between the (G460) Intrusion Receiver Sensor Signal circuit to the (G946) Sensor Ground circuit in the Intrusion Sensor Receiver connector.
  Is the resistance below 5.0 Ohms?
  
  Yes
  - Repair the (G460) Intrusion Receiver Sensor Signal circuit for a short to the (G946) Sensor Ground circuit.
  - Refer to STANDARD PROCEDURE and perform the BODY VERIFICATION TEST.
  No
  - Replace the Intrusion Transceiver Module in accordance with the Service Information.
  - Refer to STANDARD PROCEDURE and perform the BODY VERIFICATION TEST.