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Home >> Jeep >> 2009 >> Compass Limited, EDG, Standard >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> (Cabin Compartment Node (CCN) - Electrical Diagnostics) >> DTC Troubleshooting >> B1801 Driver Door Lock/Unlock Switch Circuit Low >> Diagnostic Test

Diagnostic Test

  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.
    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 B1801-DRIVER DOOR LOCK/UNLOCK SWITCH CIRCUIT LOW?

      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 B1801-DRIVER DOOR LOCK/UNLOCK SWITCH CIRCUIT LOW?

      No 

      Yes 

      • Go to step  3
  3. (P697) DOOR LOCK SWITCH MUX CIRCUIT 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 10, 000 ohms?

      Yes 

      No