Diagnostic Test

WARNING: This page is about a different car, the 2013 Dodge Avenger and 2013 Chrysler 200. 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 B1C19-PASSENGER ACTIVE HEADREST CONTROL CIRCUIT HIGH DTC?
  
  Yes
  - Go To 2
  No
  - Perform the AIRBAG SYSTEM INTERMITTENT TEST. Refer to STANDARD PROCEDURE .
CHECK FOR A SHORTED ACTIVE HEAD REST CIRCUIT IN PASSENGER ACTIVE HEAD REST

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 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 essential tool 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 passenger 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: B1C19-PASSENGER ACTIVE HEADREST CONTROL CIRCUIT HIGH?
  
  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.
CHECK THE (R677) ACTIVE HEAD RESTRAINT 1ST ROW PASSENGER SIGNAL CIRCUIT FOR A SHORT TO VOLTAGE

Fig 2: Checking Active Head Restraint 1st Row Passenger Signal Circuit For A Short To Voltage
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. Disconnect the Passenger Head Restraint harness connector.
2. Disconnect the ORC harness connectors.
3. Connect the SRS Load Tool Adapter (special tool #8443-25, 56 Way ACM Adapter) to the ORC harness connectors.
  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. Measure the (R677) Passenger Head Restraint Solenoid Signal circuit voltage between the appropriate terminal of the SRS Load Tool Adapter (special tool #8443-25, 56 Way ACM Adapter) connector and ground.
  Is there any voltage present?
  
  Yes
  - Repair the (R677) Passenger Head Restraint Solenoid Signal circuit for a short to voltage.
  - Perform the AIRBAG SYSTEM VERIFICATION TEST. Refer to STANDARD PROCEDURE .
  No
  - Go To 4
CHECK THE (R677) ACTIVE HEAD RESTRAINT 1ST ROW PASSENGER SIGNAL CIRCUIT FOR A SHORT TO VOLTAGE BETWEEN THE ORC AND THE IN-LINE UNDERSEAT CONNECTOR (BODY HARNESS)

Fig 3: Checking Active Head Restraint 1st Row Passenger Signal Circuit For A Short To Voltage
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.

NOTE:
Inspect for damaged terminals at the in-line underseat jumper harness connector.
1. Disconnect the in-line underseat harness connector.
  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.
2. Measure for voltage between ground and the in-line underseat connector of the (R677) Active Head Restraint 1st Row Passenger Signal circuit at the appropriate terminal of the SRS Load Tool Adapter (special tool #8443-25, 56 Way ACM Adapter).
  Is there voltage present?
  
  Yes
  - Repair the short to voltage in the (R677) Active Head Restraint 1st Row Passenger Signal circuit located between the body side of in-line underseat jumper connector and the ORC.
  - Perform the AIRBAG SYSTEM VERIFICATION TEST. Refer to STANDARD PROCEDURE .
  No
  - Go To 5
CHECK THE (R677) ACTIVE HEAD RESTRAINT 1ST ROW PASSENGER SIGNAL CIRCUIT FOR SHORT TO VOLTAGE IN THE SEATBACK HARNESS

Fig 4: Checking Active Head Restraint 1st Row Driver Signal Circuit For Short To Voltage
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.

NOTE:
Inspect for damaged terminals at the in-line underseat jumper harness connector. Reconnect the in-line harness connector.
1. Connect the in-line under seat connector.
2. Access the Passenger Active Headrest connector located in the passenger seat back jumper harness.
3. Disconnect the Passenger Active Headrest harness connector.
  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. Measure the voltage between ground and the (R677) Active Head Restraint 1st Row Passenger Signal circuit at the appropriate terminal of the SRS Load Tool Adapter (special tool #8443-25, 56 Way ACM Adapter).
  Is there voltage present?
  
  Yes
  - Repair the short to voltage in the (R677) Active Head Restraint 1st Row Passenger Signal circuit located between the in-line underseat jumper harness connector and the Passenger Active Headrest connector.
  - Perform the AIRBAG SYSTEM VERIFICATION TEST. Refer to STANDARD PROCEDURE .
  No
  - Go To 6
CHECK THE (R677) ACTIVE HEAD RESTRAINT 1ST ROW PASSENGER SIGNAL CIRCUIT AN OPEN OR HIGH RESISTANCE BETWEEN THE ORC AND THE IN-LINE BODY SIDE HARNESS UNDERSEAT HARNESS CONNECTOR
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. Disconnect the in-line underseat harness connector.
2. Measure the resistance of the (R676) Active Head Restraint 1st Row Passenger Signal circuit from the inline underseat connector (body harness) to 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 7
  No
  - Repair the (R677) Active Head Restraint 1st Row Passenger Signal circuit between the ORC and the inline body harness connector for an open or high resistance.
  - Perform the AIRBAG SYSTEM VERIFICATION TEST. Refer to STANDARD PROCEDURE .
CHECK THE (R677) ACTIVE HEAD RESTRAINT 1ST ROW PASSENGER SIGNAL CIRCUIT FOR AN OPEN OR HIGH RESISTANCE TO THE PASSENGER ACTIVE HEADREST CONNECTOR (SEAT BACK JUMPER HARNESS)

Fig 5: Checking Active Head Restraint 1st Row Passenger Signal Circuit For An Open Or High Resistance
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 Headrest connector located in the passenger seat back.
2. Disconnect the Passenger Active Headrest harness connector.
3. Measure the resistance of the (R677) Active Head Restraint 1st Row Passenger Signal circuit from the appropriate terminal of the Passenger Active Headrest connector to 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 8
  No
  - Repair the (R677) Active Head Restraint 1st Row Passenger Signal circuit for an open or high resistance.
  - Perform the AIRBAG SYSTEM VERIFICATION TEST. Refer to STANDARD PROCEDURE .
CHECK THE PASSENGER ACTIVE HEAD REST (Z914) GROUND CIRCUIT OF THE SEATBACK JUMPER HARNESS FOR AN OPEN

Fig 6: Checking Passenger Active Head Rest Ground Circuit For An Open
Courtesy of CHRYSLER GROUP, LLC
1. Measure the resistance between ground and the (Z914) Ground circuit at the Passenger Active Headrest harness connector (seatback jumper harness side).
  Is the resistance below 5.0 Ohms?
  
  Yes
  - Go To 9
  No
  - Repair the Ground circuit for a open or high resistance.
  - Perform the AIRBAG SYSTEM VERIFICATION TEST. Refer to STANDARD PROCEDURE .
CHECK THE PASSENGER ACTIVE HEAD REST (Z914) GROUND CIRCUIT TO GROUND FOR AN OPEN OR HIGH RESISTANCE

Fig 7: Checking Passenger Active Head Rest Ground Circuit For An Open
Courtesy of CHRYSLER GROUP, LLC
1. Measure the resistance between ground and the (Z914) Ground circuit at the Passenger Active Headrest harness connector (component side).
  Is the resistance below 5.0 Ohms?
  
  Yes
  - Reconnect all previously disconnected components.
    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.
  - Turn the Ignition Off and wait 15 seconds before turning the Ignition On.
  - Wait one minute and read active codes.
  - If the B1C19-Passenger Active Headrest Control Circuit High DTC becomes active, replace the ORC in accordance with the Service Information. Refer to MODULE, OCCUPANT RESTRAINT CONTROLLER, REMOVAL .
  No
  - Go To 10
CHECK OPERATION OF THE PASSENGER ACTIVE HEAD REST
1. Replace the Passenger Head Restraint.
2. Reconnect the vehicle body harness to the Passenger 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 B1C19-PASSENGER ACTIVE HEADREST CONTROL CIRCUIT HIGH 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 .