Diagnostic Test
- VERIFY ACTIVE DTC NOTE:
Make sure the battery is fully charged.
- Turn the ignition on.
- With the scan tool, read the ORC DTCs.
Does the scan tool display active B1C17-12-PASSENGER ACTIVE HEADREST CONTROL - CIRCUIT SHORT TO BATTERY?
Yes
- Go To 3
No
- Perform the RESTRAINTS SYSTEM INTERMITTENT TEST. Refer to RESTRAINTS SYSTEM INTERMITTENT TEST .
- CHECK FOR A SHORTED ACTIVE HEAD REST CIRCUIT IN PASSENGER ACTIVE HEAD REST
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.
- Access the Passenger Active Head Rest harness connector located in the passenger seatback jumper harness.
- 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.
- Connect the (special tool #10253, Tester, AHR Load) to the driver AHR seatback jumper harness connector going into the seatback and under the seat.
- If equipped with the standard key ignition, use 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 equipped with the keyless ignition, use 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.
- With the scan tool, read the active ORC DTCs.
Does the scan tool display: B1C17-12-PASSENGER ACTIVE HEADREST CONTROL - CIRCUIT SHORT TO BATTERY?
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, FRONT, REMOVAL .
- CHECK THE (R677) ACTIVE HEAD RESTRAINT 1ST ROW PASSENGER SIGNAL CIRCUIT FOR SHORT TO VOLTAGE 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.
- Disconnect the ORC harness connectors.
- Connect the 8443-55 tool to the ORC harness connector.
- Keep the in-line underseat connector and the Passenger Active Headrest connector in the passenger seat back connected.
- If equipped with the standard key ignition, use 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 equipped with the keyless ignition, use 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.
- Measure the voltage between ground and the (R677) Active Head Restraint 1st Row Passenger Signal circuit at the appropriate terminal of the 8443-55 tool.
Is there voltage present?
Yes
- Go To 4
No
- Go To 6
- 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) 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.
- Disconnect the in-line underseat harness connector.NOTE:
Inspect for damaged terminals at the in-line underseat jumper harness connector.
- If equipped with the standard key ignition, use 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 equipped with the keyless ignition, use 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.
- Measure the voltage between ground and the (R677) Active Head Restraint 1st Row Passenger Signal circuit at the appropriate terminal of the 8443-55 tool.
Is there voltage present?
Yes
- Repair the short to voltage in the (R677) Active Head Restraint 1st Row Passenger Signal circuit located between the ORC and the in-line body harness underseat harness connector.
- Perform the RESTRAINTS SYSTEM VERIFICATION TEST. Refer to RESTRAINTS SYSTEM VERIFICATION TEST .
No
- Go To 5
- Disconnect the in-line underseat harness connector.
- CHECK THE (R677) ACTIVE HEAD RESTRAINT 1ST ROW PASSENGER SIGNAL CIRCUIT FOR SHORT TO VOLTAGE IN THE SEATBACK 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 terminals at the in-line underseat jumper harness connector. Reconnect the in-line harness connector.
- Connect the in-line under seat harness connector.
- Access the Passenger Active Headrest connector located in the passenger seat back jumper harness.
- Disconnect the Passenger Active Headrest harness connector.
- If equipped with the standard key ignition, use 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 equipped with the keyless ignition, use 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.
- Measure the voltage between ground and the (R677) Active Head Restraint 1st Row Passenger Signal circuit at the appropriate terminal of the 8443-55 tool.
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 RESTRAINTS SYSTEM VERIFICATION TEST. Refer to RESTRAINTS SYSTEM VERIFICATION TEST .
No
- Go To 12
- CHECK THE (R677) ACTIVE HEAD RESTRAINT 1ST ROW PASSENGER SIGNAL CIRCUIT FOR 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.
- Disconnect the in-line underseat harness connector.
- Measure the resistance of the (R677) Active Head Restraint 1st Row Passenger Signal circuit from the in-line under seat connector (body harness) to the appropriate terminal of the 8443-55 tool.
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 RESTRAINTS SYSTEM VERIFICATION TEST. Refer to RESTRAINTS SYSTEM VERIFICATION TEST .
- CHECK THE (R677) ACTIVE HEAD RESTRAINT 1ST ROW PASSENGER SIGNAL CIRCUIT FOR AN OPEN OR HIGH RESISTANCE BETWEEN THE ORC AND THE IN-LINE PASSENGER SEAT ASSEMBLY) 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.
- Disconnect the in-line Passenger Seat Assembly C1 (body harness) underseat harness connector.
- Measure the resistance of the (R677) Active Head Restraint 1st Row Passenger Signal circuit of the Passenger Seat Assembly C1 under seat harness connector to the appropriate terminals of the 8443-55 tool.
Is the resistance below 1 Ohm?
Yes
- Go To 8
No
- Repair the (R677) Active Head Restraint 1st Row Passenger Signal circuit between the Passenger Seat Assembly in-line body harness connector and the ORC for an open or high resistance.
- Perform the RESTRAINTS SYSTEM VERIFICATION TEST. Refer to RESTRAINTS SYSTEM VERIFICATION TEST .
- CHECK THE (R677) ACTIVE HEAD RESTRAINT 1ST ROW PASSENGER SIGNAL CIRCUIT FOR AN OPEN OR HIGH RESISTANCE TO THE PASSENGER ACTIVE HEADREST 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.
NOTE:Inspect for damaged terminals at the in-line underseat jumper harness connector. Reconnect the in-line harness connector.
- Access the Passenger Active Headrest connector located in the passenger seat back.
- Disconnect the Passenger Active Headrest harness connector.
- Measure the resistance of the (R677) Active Head Restraint 1st Row Passenger Signal circuit from the appropriate terminal of the Passenger Active Headrest connector and the appropriate terminal of the 8443-55 tool.
Is the resistance below 1 Ohm?
Yes
- Go To 9
No
- Repair the (R677) Active Head Restraint 1st Row Passenger Signal circuit for an open or high resistance.
- Perform the RESTRAINTS SYSTEM VERIFICATION TEST. Refer to RESTRAINTS SYSTEM VERIFICATION TEST .
- CHECK THE PASSENGER ACTIVE HEAD REST (Z919) GROUND CIRCUIT OF THE SEATBACK JUMPER HARNESS FOR AN OPEN
Courtesy of CHRYSLER GROUP, LLC
- Measure the resistance between ground and the (Z919) Ground circuit at the Passenger Active Headrest harness connector (harness side).
Is the resistance below 5.0 Ohms?
Yes
- Go To 10
No
- Repair the open in the Ground circuit.
- Perform the RESTRAINTS SYSTEM VERIFICATION TEST. Refer to RESTRAINTS SYSTEM VERIFICATION TEST .
- Measure the resistance between ground and the (Z919) Ground circuit at the Passenger Active Headrest harness connector (harness side).
- CHECK THE PASSENGER ACTIVE HEAD REST (Z919) GROUND CIRCUIT BETWEEN THE PASSENGER SEAT ASSEMBLY IN-LINE CONNECTOR AND THE PASSENGER ACTIVE HEADREST CONNECTOR FOR AN OPEN
- Access the Passenger Seat Assembly harness connector under the passenger seat.
- Disconnect the Passenger Seat Assembly harness connector.
- Measure the resistance between the (Z919) Ground circuit of the appropriate terminals of the Passenger Seat Assembly harness connector and the appropriate terminal of the Passenger Active Headrest.
Is the resistance below 1.0 Ohm?
Yes
- Go To 11
No
- Repair the Ground circuit between the passenger seat assembly and the passenger active headrest for a open.
- Perform the RESTRAINTS SYSTEM VERIFICATION TEST. Refer to RESTRAINTS SYSTEM VERIFICATION TEST .
- CHECK THE PASSENGER ACTIVE HEAD REST (Z919) GROUND CIRCUIT TO GROUND FOR AN OPEN OR HIGH RESISTANCE
Courtesy of CHRYSLER GROUP, LLC
- Measure the resistance between ground and the (Z919) Ground circuit at the Passenger Active Headrest harness connector (component side).
Is the resistance below 5.0 Ohms?
Yes
- Reconnect all previously disconnected components.
If equipped with the standard key ignition, use 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 equipped with the keyless ignition, use 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.
- 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 12
- Reconnect all previously disconnected components.
- Measure the resistance between ground and the (Z919) Ground circuit at the Passenger Active Headrest harness connector (component side).
- CHECK OPERATION OF THE PASSENGER ACTIVE HEAD REST
- Replace the Passenger Active Headrest in accordance with the Service Information. Refer to HEADREST, FRONT, REMOVAL .
- If needed perform the Active Headrest Reset Procedure. Refer to RESTRAINT, ACTIVE HEAD, STANDARD PROCEDURE .
- Reconnect the vehicle body harness to the Passenger Active Headrest harness connector.
- Remove any special tools or jumper wires and reconnect all previously disconnected components - except the Battery.
- Connect the scan tool to the Data Link Connector - use the most current software available.
- 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 and if there are none present, read the stored codes.
Does the scan tool display active B1C17-12-PASSENGER ACTIVE HEADREST CONTROL - CIRCUIT SHORT TO BATTERY?
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 the Service Information. Refer to MODULE, OCCUPANT RESTRAINT CONTROLLER, REMOVAL .
- Perform the RESTRAINTS SYSTEM VERIFICATION TEST. Refer to RESTRAINTS SYSTEM VERIFICATION TEST .
No
- Repair is complete. Verify reconnecting of all components and in-lines.
- Perform the RESTRAINTS SYSTEM VERIFICATION TEST. Refer to RESTRAINTS SYSTEM VERIFICATION TEST .