Diagnostic Test

WARNING: This page is about a different car, the 2014 Dodge Journey. However, it is still accessible from the selected car via links, so may be relevant.

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 B1C18-PASSENGER ACTIVE HEADREST CONTROL CIRCUIT LOW DTC?
  
  Yes
  - Go To 3
  No
  - Perform the RESTRAINTS SYSTEM INTERMITTENT TEST. Refer to STANDARD PROCEDURE .
CHECK FOR A SHORTED ACTIVE HEAD REST CIRCUIT IN PASSENGER ACTIVE HEAD REST
NOTE:
Please use the (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 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 Passenger Active Head Rest harness connector located in the passenger seatback jumper harness.
2. Disconnect the Passenger Active Headrest harness connectors.
  NOTE:
  Check the connectors - Clean and repair as necessary.
  
  NOTE:
  Please use the (special tool #10253, Tester, AHR Load) in testing the present status of the AHR signal circuit.
3. Connect the AHR Load Tool to the passenger AHR seatback jumper harness connector going into the seatback and under the seat.
4. If the vehicle is equipped with the standard key ignition, follow this ignition on warning.
  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.
5. If the vehicle is equipped with the keyless ignition, follow this ignition on warning.
  WARNING:
  Disconnect the 12-volt battery wait two minutes before proceeding, remove the ORC fuses, connect the 12-volt battery, wait two minutes before proceeding. Cycle the ignition to the On position, then reconnect the ORC fuses. Wait two minutes before proceeding. Failure to follow these instructions may result in possible serious or fatal injury.
6. With the scan tool, read the active ORC DTCs.
  Does the scan tool display: B1C18-PASSENGER ACTIVE HEADREST CONTROL CIRCUIT LOW?
  
  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 Passenger Active Head Rest in accordance with the Service Information. Refer to HEADREST, REMOVAL .
CHECK THE (R677) ACTIVE HEAD RESTRAINT 1ST ROW PASSENGER SIGNAL CIRCUIT HARNESS FOR A SHORT TO GROUND
NOTE:
The AHR connectors carry a shorting bar that should set a high code upon disconnecting the AHR connectors.

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 Passenger Active Headrest connector located in the passenger seat back.
2. Disconnect the Passenger Active Headrest harness connector.
3. If the vehicle is equipped with the standard key ignition, follow this ignition on warning.
  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. If the vehicle is equipped with the keyless ignition, follow this ignition on warning.
  WARNING:
  Disconnect the 12-volt battery wait two minutes before proceeding, remove the ORC fuses, connect the 12-volt battery, wait two minutes before proceeding. Cycle the ignition to the On position, then reconnect the ORC fuses. Wait two minutes before proceeding. Failure to follow these instructions may result in possible serious or fatal injury.
  
  Does the scan tool display active B1C19-PASSENGER ACTIVE HEADREST CONTROL CIRCUIT HIGH?
  
  Yes
  - Turn the Ignition off.
  - Connect the Passenger Active Headrest harness connector.
    If the vehicle is equipped with the standard key ignition, follow this ignition on warning.
    
    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.
    
    If the vehicle is equipped with the keyless ignition, follow this ignition on warning.
    
    WARNING:
    Disconnect the 12-volt battery wait two minutes before proceeding, remove the ORC fuses, connect the 12-volt battery, wait two minutes before proceeding. Cycle the ignition to the On position, then reconnect the ORC fuses. Wait two minutes before proceeding. Failure to follow these instructions may result in possible serious or fatal injury.
  - Wait 15 seconds before turning the Ignition On.
  - Use the scan tool and erase the ORC stored codes.
  - Turn the Ignition Off, and wait 15 seconds before turning the Ignition On.
  - Wait one minute and read active codes.
  - If the B1C18-Passenger Active Headrest Control Circuit Low DTC becomes active, replace the Passenger Active Headrest in accordance with the Service Information. Refer to HEADREST, REMOVAL .
  No
  - Go To 4
CHECK THE (R677) ACTIVE HEAD RESTRAINT 1ST ROW PASSENGER SIGNAL CIRCUIT FOR A SHORT TO GROUND IN THE PASSENGER ACTIVE HEAD REST SEAT BACK JUMPER HARNESS
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.

NOTE:
Inspect for damaged or bent terminals at the C315 underseat jumper harness connector.
1. Disconnect the C315 underseat harness connector.
2. If the vehicle is equipped with the standard key ignition, follow this ignition on warning.
  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.
3. If the vehicle is equipped with the keyless ignition, follow this ignition on warning.
  WARNING:
  Disconnect the 12-volt battery wait two minutes before proceeding, remove the ORC fuses, connect the 12-volt battery, wait two minutes before proceeding. Cycle the ignition to the On position, then reconnect the ORC fuses. Wait two minutes before proceeding. Failure to follow these instructions may result in possible serious or fatal injury.
  
  Does the scan tool display active B1C19-PASSENGER ACTIVE HEADREST CONTROL CIRCUIT HIGH?
  
  Yes
  - Repair the short to ground in the (R677) Active Head Restraint 1st Row Passenger Signal circuit between the C315 underseat harness connector and the Passenger Active Headrest harness connector in the seat back.
  - Perform the RESTRAINTS SYSTEM VERIFICATION TEST. Refer to STANDARD PROCEDURE .
  No
  - Go To 5
CHECK THE (R677) ACTIVE HEAD RESTRAINT 1ST ROW PASSENGER SIGNALCIRCUIT HARNESS FOR SHORT TO GROUND IN THE BODY HARNESS

Fig 2: Checking Active Head Restraint 1st Row Passenger Signal Circuit Harness For Short To Ground In The Body Harness
Courtesy 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 Occupant Restraint Controller Module in the center stack area just below the radio.
2. Disconnect the ORC Module C2 harness connector.
3. Connect the (special tool #8443-28, SRS Load Tool Adapter).
4. Keep the C315 underseat jumper harness connector disconnected.
5. Measure the resistance between ground and the (R677) Active Head Restraint 1st Row Passenger Signal circuit at the appropriate terminal of the (special tool #8443-28, SRS Load Tool Adapter).
  Is the resistance below 5.0 Ohms?
  
  Yes
  - Repair the short to ground in the (R677) Active Head Restraint 1st Row Passenger Signal circuit located between the C315 underseat jumper harness connector and the ORC.
  - Perform the RESTRAINTS SYSTEM VERIFICATION TEST. Refer to STANDARD PROCEDURE .
  No
  - Go To 6
CHECK OPERATION OF THE PASSENGER ACTIVE HEAD REST
1. Reconnect any previously disconnected harness connectors.
2. Remove any special tools or jumper wires and reconnect all previously disconnected components - except the Battery.
3. If the vehicle is equipped with the standard key ignition, follow this ignition on warning.
  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. If the vehicle is equipped with the keyless ignition, follow this ignition on warning.
  WARNING:
  Disconnect the 12-volt battery wait two minutes before proceeding, remove the ORC fuses, connect the 12-volt battery, wait two minutes before proceeding. Cycle the ignition to the On position, then reconnect the ORC fuses. Wait two minutes before proceeding. Failure to follow these instructions may result in possible serious or fatal injury.
5. Connect the scan tool to the Data Link Connector - use the most current software available.
6. Use the scan tool and erase the ORC stored codes.
7. Turn the Ignition Off and wait 15 seconds before turning the Ignition On.
8. Wait one minute and read active codes and if there are none present read the stored codes.
  Does the scan tool display active B1C18-PASSENGER ACTIVE HEADREST CONTROL CIRCUIT LOW 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 Occupant Restraint Controller (ORC) in accordance with the Service Information. Refer to MODULE, OCCUPANT RESTRAINT CONTROLLER, REMOVAL .
  - Perform the RESTRAINTS SYSTEM VERIFICATION TEST. Refer to STANDARD PROCEDURE .
  No
  - Repair is complete. Verify reconnecting of all components and inlines.
  - Perform the RESTRAINTS SYSTEM VERIFICATION TEST. Refer to STANDARD PROCEDURE .