Diagnostic Test

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
  - Perform the AIRBAG SYSTEM INTERMITTENT TEST. Refer to AIRBAG SYSTEM INTERMITTENT TEST .
CHECK FOR A SHORTED OR OPEN ACTIVE HEAD REST CIRCUIT IN DRIVER ACTIVE HEAD REST
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.

Fig 1: Checking For Shorted Active Head Rest Circuit
Courtesy of CHRYSLER 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.
3. Connect the (special tool #10253, Tester, AHR Load) AHR Load Tool 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
  - Replace the Driver Active Head Rest in accordance with the Service Information. Refer to HEADREST , Removal .
CHECK THE DRIVER ACTIVE HEAD REST (Z913) GROUND CIRCUIT FOR AN OPEN

Fig 2: Checking Driver Active Head Rest Ground Circuit For An Open
Courtesy of CHRYSLER 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 (Z913) 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 AIRBAG SYSTEM VERIFICATION TEST .
CHECK THE (R676) DRIVER HEAD RESTRAINT SOLENOID 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
Courtesy of CHRYSLER LLC
1. Measure the resistance of the (R676) Driver Active Head Restraint Solenoid Signal circuit between the Driver Head Restraint connector cavity 2 and the appropriate terminal of the SRS Load Tool Adapter (special tool #8443-25, 56 Way ACM Adapter) connector.
  Is the resistance below 1 Ohm?
  
  Yes
  - Go To 5.
  No
  - Repair the (R676) Driver Head Restraint Solenoid Signal circuit in the seat back and body harness for an open or high resistance.
  - Perform the AIRBAG SYSTEM VERIFICATION TEST. Refer to AIRBAG SYSTEM VERIFICATION TEST .
CHECK 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 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
  - Replace the ORC in accordance with the Service Information.
  - Perform the AIRBAG SYSTEM VERIFICATION TEST. Refer to AIRBAG SYSTEM VERIFICATION TEST .
  No
  - Repair is complete.
  - Perform the AIRBAG SYSTEM VERIFICATION TEST. Refer to AIRBAG SYSTEM VERIFICATION TEST .