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Home >> Chrysler >> 2009 >> PT Cruiser Limited >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Anti-Theft Systems >> (Cabin Compartment Node (CCN) - Electrical Diagnostics) >> DTC Troubleshooting >> B1806-Passenger Door Lock/Unlock Switch Circuit Low >> Diagnostic Test

Diagnostic Test

  1. TEST FOR INTERMITTENT CONDITION 
    1. With the scan tool, record and erase DTC's
    2. Operate the Right Door Lock Switch in all positions several times.
    3. Cycle the ignition from on to off.
    4. Turn the ignition on.
    5. With the scan tool, read DTC's.

      Does the scan tool display B1806-PASSENGER DOOR LOCK/UNLOCK SWITCH CIRCUIT LOW?

      Yes 

      • Go to step  2

      No 

  2. DOOR LOCK SWITCH SHORTED 
    Fig 1: Right Door Lock Switch Connector
    GC0117560Courtesy of CHRYSLER LLC
    1. With the scan tool, erase DTC's.
    2. Disconnect the Right Door Lock Switch connector.
    3. With the scan tool, read DTC's.

      Does the scan tool display B1806- PASSENGER DOOR LOCK/UNLOCK SWITCH CIRCUIT LOW?

      No 

      Yes 

      • Go to step  3
  3. (P696) RIGHT DOOR LOCK SWITCH MUX CIRCUIT PARTIAL SHORT TO GROUND 
    Fig 2: Checking Right Door Lock Switch MUX Circuit Partial Short To Ground
    GC0117561Courtesy of CHRYSLER LLC
    1. Turn the ignition off.
    2. Disconnect the Cluster C2 connector.
    3. Measure the resistance between ground and the (P696) Right Door Lock Switch MUX circuit.

      Is the resistance below 10,000.0 ohms?

      Yes 

      No