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Diagnostic Test

  1. VERIFY ACTIVE DTC 
    NOTE:

    Make sure the battery is fully charged.

    1. Turn the ignition on.
    2. With the scan tool, read the ORC DTCs

      Does the scan tool display active B1C14-DRIVER ACTIVE HEADREST CONTROL CIRCUIT OPEN DTC?

      Yes 

      • Go To  2

      No 

  2. CHECK FOR A SHORTED ACTIVE HEAD REST CIRCUIT IN DRIVER ACTIVE HEAD REST 
    Fig 1: Active Head Rest Load Tool
    GC0138204Courtesy of CHRYSLER GROUP, LLC
    WARNING:

    Turn the ignition off disconnect the 12-volt battery and wait two minutes before proceeding. Failure to follow these instructions may result in possible serious or fatal injury.

    1. Access the Driver Active Head Rest harness connector located in the driver seatback jumper harness.
    2. Disconnect the Driver Active Headrest harness connectors.
      NOTE:

      Check the connectors - Clean and repair as necessary.

      NOTE:

      Please use the Active Head Rest Load Tool (special tool #10253, Tester, AHR Load) in testing the present status of the AHR signal circuit.

    3. Connect the AHR Load Tool (special tool #10253, Tester, AHR Load) to the Driver AHR seatback jumper harness connector going into the seatback and under the seat.
      WARNING:

      Turn the ignition on, then reconnect the 12-volt battery and wait two minutes before proceeding. Failure to follow these instructions may result in possible serious or fatal injury.

    4. With the scan tool, read the active ORC DTCs.

      Does the scan tool display: B1C14-DRIVER ACTIVE HEADREST CONTROL CIRCUIT OPEN?

      Yes 

      • Go To  3

      No 

      WARNING:

      Turn the ignition off disconnect the 12-volt battery and wait two minutes before proceeding. Failure to follow these instructions may result in possible serious or fatal injury.

      • Replace the Driver Active Head Rest in accordance with the Service Information. Refer to HEADREST, REMOVAL .
  3. CHECK THE DRIVER ACTIVE HEAD REST (Z903) GROUND CIRCUIT FOR AN OPEN 
    Fig 2: Checking Driver Active Head Rest Ground Circuit For An Open
    GC0138207Courtesy of CHRYSLER GROUP, LLC
    WARNING:

    Turn the ignition off disconnect the 12-volt battery and wait two minutes before proceeding. Failure to follow these instructions may result in possible serious or fatal injury.

    1. Measure the resistance of the (Z903) Ground circuit between the Driver Active Head Rest and ground.

      Is the resistance below 5.0 Ohms?

      Yes 

      • Go To  4

      No 

      • Repair the Ground circuit for a open or high resistance.
      • Perform the AIRBAG SYSTEM VERIFICATION TEST. Refer to STANDARD PROCEDURE .
  4. CHECK THE (R676) ACTIVE HEAD RESTRAINT 1ST ROW DRIVER SIGNAL CIRCUIT FOR AN OPEN OR HIGH RESISTANCE (ACTIVE HEAD REST SEAT BACK JUMPER SIDE TO ORC MODULE) 
    Fig 3: Checking Driver Head Restraint Solenoid Signal Circuit For An Open Or High Resistance
    GC0138208Courtesy of CHRYSLER GROUP, LLC
    1. Measure the resistance of the (R676) Active Head Restraint 1st Row Driver Signal Circuit between the Driver Active Head Restraint connector cavity 2 and the appropriate terminal of the SRS Load Tool Adapter (special tool #8443-25, 56 Way ACM Adapter).

      Is the resistance below 1 Ohm?

      Yes 

      • Go To  5

      No 

      • Repair the (R676) Active Head Restraint 1st Row Driver Signal Circuit in the seat back and body harness for an open or high resistance.
      • Perform the AIRBAG SYSTEM VERIFICATION TEST. Refer to STANDARD PROCEDURE .
  5. CHECK THE OPERATION OF THE DRIVER ACTIVE HEAD RESTRAINT 
    1. Replace the Driver Active Head Restraint in accordance with the Service Information.
    2. Reconnect the vehicle body harness to the Driver Active Head Restraint harness connector.
    3. Remove any special tools or jumper wires and reconnect all previously disconnected components - except the Battery.
      WARNING:

      Turn the ignition on, then reconnect the 12-volt battery and wait two minutes before proceeding. Failure to follow these instructions may result in possible serious or fatal injury.

    4. Connect the scan tool to the Data Link Connector - use the most current software available.
    5. Use the scan tool and erase the ORC stored codes.
    6. Turn the Ignition Off and wait 15 seconds before turning the Ignition On.
    7. Wait one minute and read active codes and if there are none present read the stored codes.

      Does the scan tool display active B1C14-DRIVER ACTIVE HEADREST CONTROL CIRCUIT OPEN DTC?

      Yes 

      WARNING:

      Turn the ignition off, disconnect the 12-volt battery and wait two minutes before proceeding. Failure to follow these instructions may result in possible serious or fatal injury.

      WARNING:

      If the Occupant Restraint Controller (ORC) is dropped at any time, it must be replaced. Failure to follow these instructions may result in possible serious or fatal injury.

      • Replace the ORC in accordance with Service Information.
      • Perform the AIRBAG SYSTEM VERIFICATION TEST. Refer to STANDARD PROCEDURE .

      No 

      • Repair is complete.
      • Perform the AIRBAG SYSTEM VERIFICATION TEST. Refer to STANDARD PROCEDURE .
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