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Diagnostic Test

WARNING: This page is about a different car, the 2016 Jeep Wrangler and 2015 Jeep Wrangler. However, it is still accessible from the selected car via links, so may be relevant.
  1. VERIFY ACTIVE DTC 
    NOTE:

    Make sure the battery is fully charged.

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

      Does the scan tool display active B1B55-1ST ROW PASSENGER SEAT BELT SENSOR CIRCUIT HIGH?

      Yes 

      • Go To  2

      No 

  2. CHECK THE (R58) PASSENGER SEAT BELT SWITCH SIGNAL CIRCUIT FOR A SHORT TO VOLTAGE 
    Fig 1: Checking Passenger Seat Belt Switch Signal Circuit For A Short To Voltage
    GC0149333Courtesy 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 Seat Belt Buckle Tensioner harness connector containing the Seat Belt Switch circuits.
    2. Disconnect the ORC harness connector.
      NOTE:

      Check connectors - Clean and repair as necessary.

    3. Connect the SRS Load Tool Adapter (special tool #8443-32-R, Adapter, SRS Adapter) or (special tool #8443-32-L, Adapter, SRS 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 voltage of the (R58) Passenger Seat Belt Switch Signal circuit between the appropriate terminal of the SRS Load Tool Adapter (special tool #8443-32-L, Adapter, SRS Adapter) or (special tool #8443-32-R, Adapter, SRS Adapter) and ground.

      Is there any voltage present on the circuit?

      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.

      • Repair the (R58) Passenger Seat Belt Switch Signal circuit for a short to voltage.
      • Perform the AIRBAG SYSTEM VERIFICATION TEST. Refer to STANDARD PROCEDURE .

      No 

      • Go To  3
  3. (R60) PASSENGER SEAT BELT SWITCH GROUND CIRCUIT SHORTED TO VOLTAGE 
    Fig 2: Checking Passenger Seat Belt Switch Ground Circuit For A Short To Voltage
    GC0149334Courtesy of CHRYSLER GROUP, LLC
    1. Measure the voltage of the (R60) Passenger Seat Belt Switch Ground circuit between the appropriate terminal of the SRS Load Tool Adapter (special tool #8443-32-L, Adapter, SRS Adapter) or (special tool #8443-32-R, Adapter, SRS Adapter) and ground.

      Is there any voltage present on the circuit?

      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.

      • Repair or replace the (R60) Passenger Seat Belt Switch Ground circuit for a short to voltage.
      • Perform the AIRBAG SYSTEM VERIFICATION TEST. Refer to STANDARD PROCEDURE .

      No 

      • Go To  4
  4. (R58) PASSENGER SEAT BELT SWITCH SIGNAL CIRCUIT FOR AN OPEN 
    Fig 3: Checking Passenger Seat Belt Switch Signal Circuit For An Open
    GC0149335Courtesy 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 (R58) Passenger Seat Belt Switch Signal circuit between the Passenger Seat Belt Buckle Tensioner connector and the appropriate terminal of the SRS Load Tool Adapter (special tool #8443-32-L, Adapter, SRS Adapter) or the (special tool #8443-32-R, Adapter, SRS Adapter).

      Is the resistance below 1.0 Ohm?

      Yes 

      • Go To  5

      No 

      • Repair or replace the (R58) Passenger Seat Belt Switch Signal circuit for an open or high resistance.
      • Perform the AIRBAG SYSTEM VERIFICATION TEST. Refer to STANDARD PROCEDURE .
  5. (R60) PASSENGER SEAT BELT SWITCH GROUND CIRCUIT FOR AN OPEN 
    Fig 4: Checking Passenger Seat Belt Switch Ground Circuit For An Open
    GC0149336Courtesy of CHRYSLER GROUP, LLC
    1. Measure the resistance of the (R60) Passenger Seat Belt Switch Ground circuit between the Passenger Seat Belt Buckle Tensioner connector and the appropriate terminal of the SRS Load Tool Adapter (special tool #8443-32-L, Adapter, SRS Adapter) or the (special tool #8443-32-R, Adapter, SRS Adapter).

      Is the resistance below 1.0 Ohm?

      Yes 

      • Go To  6

      No 

      • Repair or replace the (R60) Passenger Seat Belt Switch Ground circuit for an open or high resistance.
      • Perform the AIRBAG SYSTEM VERIFICATION TEST. Refer to STANDARD PROCEDURE .
  6. CHECK OPERATION OF THE 1st ROW PASSENGER SEAT BELT SWITCH 
    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. Replace the Passenger Seat Belt Switch in accordance with the Service Information.
    2. Reconnect the vehicle body harness to the switch.
      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. Connect the scan tool to the Data Link Connector - use the most current software available.
    4. Use the scan tool and erase all codes in the ORC.
    5. Turn the ignition off, and wait 15 seconds before turning the Ignition On.
    6. Wait one minute, and read active codes.

      Did the active B1B56-1st ROW PASSENGER SEAT BELT SENSOR CIRCUIT OPEN DTC return?

      Yes 

      WARNING:

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

      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 ORC in accordance with the 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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