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Home >> Chrysler >> 2009 >> PT Cruiser Limited >> Repair and Diagnosis >> External Pages >> Different car >> Section 47 ((Cabin Compartment Node (CCN) - Electrical Diagnostics)) >> DTC Troubleshooting >> B1934-Driver Door Lock/Unlock Switch Circuit Stuck >> Diagnostic Test

Diagnostic Test

WARNING: This page is about a different car, the 2009 Dodge Caliber. However, it is still accessible from the selected car via links, so may be relevant.
  1. TEST FOR INTERMITTENT CONDITION 
    1. With the scan tool, record and erase DTCs
    2. Operate the Driver Door Lock Switch in all positions several times.
      NOTE: If at anytime, in the previous step, the switch stuck, replace the switch and start this test from the beginning.
    3. Cycle the ignition from on to off.
    4. Turn the ignition on.
    5. With the scan tool, read DTCs.

      Does the scan tool display B1934-DRIVER DOOR LOCK/UNLOCK SWITCH CIRCUIT STUCK?

      Yes 

      • Go to step  2

      No 

  2. DOOR LOCK SWITCH SHORTED 
    Fig 1: Checking Door Lock Switch
    GC0100443Courtesy of CHRYSLER LLC
    1. With the scan tool, erase DTCs.
    2. Disconnect the Driver Window/Door Lock Switch C2 connector.
    3. With the scan tool, read DTCs.

      Does the scan tool display B1934-DRIVER DOOR LOCK/UNLOCK SWITCH CIRCUIT STUCK?

      No 

      Yes 

      • Go to step  3
  3. (P697) DOOR LOCK SWITCH MUX CIRCUIT PARTIAL SHORT TO GROUND 
    Fig 2: Checking Door Lock Switch MUX Circuit
    GC0100441Courtesy of CHRYSLER LLC
    1. Turn the ignition off.
    2. Disconnect the Cluster C2 connector.
    3. Measure the resistance between ground and the (P697) Door Lock Switch Mux circuit.

      Is the resistance below 1.0 megohms (1,000,000)?

      Yes 

      No