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Diagnostic Test

  1. IDENTIFYING VEHICLE EQUIPMENT 
    NOTE:

    Make sure the battery is fully charged.

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

      Does the scan tool display active DTC: B1B8D-DRIVER SEAT TRACK POSITION SENSOR CIRCUIT LOW?

      Yes 

      • Go To  2

      No 

  2. CHECK FOR ACTIVE INTERNAL FAULTS, IGNITION FAULTS, AND BATTERY FAULTS IN THE OCCUPANT RESTRAINT CONTROLLER (ORC) 
    1. With the scan tool, read Occupant restraint Controller (ORC) DTCs.

      Does the scan tool display any active DTCs relating to internal faults, ignition faults, or battery faults?

      Yes 

      No 

      • Go To  3
  3. INSPECT DRIVER SEAT HARNESS WIRES AND 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. Using the wiring diagram/schematic as a guide, inspect the driver seat harness wiring and connectors. Look for chafed, pierced, pinched, or partially broken wires and broken, bent, pushed out, spread, corroded, or contaminated terminals.

      Are any of these conditions present?

      Yes 

      NOTE:

      Do not attempt to repair the Seat Harness. Replace the Seat Harness if the condition inspecting or testing for is present in the Seat Harness.

      • Replace the driver seat harness in accordance with the Service Information.
      • Perform the AIRBAG SYSTEM VERIFICATION TEST. Refer to STANDARD PROCEDURE .

      No 

      • Go To  4
  4. VERIFY THAT DRIVER SEAT HARNESS IS ROUTED CORRECTLY 
    1. Verify that the driver seat harness is routed correctly.

      Is the Driver Seat Harness routed correctly?

      Yes 

      • Go To  5

      No 

      • Reroute the driver seat harness as necessary.
      • Perform the AIRBAG SYSTEM VERIFICATION TEST. Refer to STANDARD PROCEDURE .
  5. CHECK (R261) DRIVER SEAT POSITION SENSOR DATA CIRCUIT AND (R263) DRIVER SEAT POSITION SENSOR VOLTAGE CIRCUIT FOR A SHORT TO GROUND 
    Fig 1: Checking Driver Seat Position Sensor Data Circuit & Driver Seat Position Sensor Voltage Circuit For A Short To Ground
    GC0096235Courtesy of CHRYSLER GROUP, LLC
    1. Measure the resistance between ground and the (R261) Driver Seat Position Sensor Data circuit cavity 1.
    2. Measure the resistance between ground and the (R263) Driver Seat Position Sensor Voltage circuit cavity 2.

      Is the resistance below 10k Ohms on either circuit?

      Yes 

      NOTE:

      Do not attempt to repair the Seat Harness. Replace the Seat Harness if the condition inspecting or testing for is present in the Seat Harness.

      • Replace the Driver Seat Harness in accordance with the service information.
      • Perform the AIRBAG SYSTEM VERIFICATION TEST. Refer to STANDARD PROCEDURE .

      No 

      • Go To  6
  6. CHECK (R261) DRIVER SEAT POSITION SENSOR DATA CIRCUIT AND (R263) DRIVER SEAT POSITION SENSOR VOLTAGE CIRCUIT FOR AN OPEN 
    Fig 2: Checking Driver Seat Position Sensor Data And Sensor Voltage Circuits For Open
    GC0138201Courtesy of CHRYSLER GROUP, LLC
    1. Disconnect the ORC connectors.
    2. Connect the SRS Load Tool Adaptor (special tool #8443-25, 56 Way ACM Adapter) to the ORC C1 connector.
    3. Measure the resistance of the (R261) Driver Seat Position Sensor Data circuit between the SRS Load Tool Adaptor (special tool #8443-25, 56 Way ACM Adapter) cavity 24-7 and the Driver Seat Track Position Sensor connector cavity 1.
      Fig 3: Checking Driver Seat Position Sensor Voltage Circuit For Open
      GC0138202Courtesy of CHRYSLER GROUP, LLC
    4. Measure the resistance of the (R263) Driver Seat Position Sensor Voltage circuit between the SRS Load Tool Adaptor (special tool #8443-25, 56 Way ACM Adapter) cavity 24-8 and the Driver Seat Track Position Sensor connector cavity 2.

      Is the resistance of either circuit above 5.0 Ohms?

      Yes 

      NOTE:

      Do not attempt to repair the Seat Harness. Replace the Seat Harness if the condition inspecting or testing for is present in the Seat Harness.

      • Replace the Driver Seat Harness in accordance with the Service Information.
      • Perform the AIRBAG SYSTEM VERIFICATION TEST. Refer to STANDARD PROCEDURE .

      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.

      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.

      • Replace the Occupant Restraint Controller (ORC) in accordance with the service information.
      • Perform the AIRBAG SYSTEM VERIFICATION TEST. Refer to STANDARD PROCEDURE .
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