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Home >> Chrysler >> 2009 >> 300 Signature Series >> Repair and Diagnosis >> External Pages >> Different car >> Section 313 (Intrusion Transceiver Module (ITM) - Electrical Diagnostics) >> DTC Troubleshooting >> B1A45-Security Receiver Sensor Circuit Shorted Together >> Diagnostic Test

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.
  1. 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 step  2

      No 

  2. INTRUSION SENSOR RECEIVER 
    1. Disconnect the Intrusion Sensor Receiver 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 step  3

      No 

  3. CHECK THE (G460) INTRUSION RECEIVER SENSOR SIGNAL WIRE FOR A SHORT TO (G946) INTRUSION RECEIVER SENSOR GROUND 
    Fig 1: Checking Intrusion Receiver Sensor Signal Circuit For Short To Sensor Ground
    GC0096982Courtesy of CHRYSLER LLC
    1. Turn the ignition off.
    2. Disconnect the Intrusion Sensor Transceiver connector.
    3. Disconnect the Intrusion Transceiver Module connector.
    4. Measure the resistance between the (G460) Intrusion Receiver Sensor Signal circuit to the (G946) Intrusion Receiver Sensor Ground circuit in the Intrusion Sensor Receiver connector.

      Is the resistance below 5.0 ohms?

      Yes 

      No