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Home >> Fiat >> 2016 >> 500 Lounge, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 36 (Occupant Restraint Controller (Orc) - DTCS B0100-49 To B0116-1A - 500 - Except Electric) >> DTC Troubleshooting >> B0108-1B-Front Driver SIDEBAG - Circuit Resistance Above Threshold >> Diagnostic Test

Diagnostic Test

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  1. DETERMINE ACTIVE OR STORED DTC 
    NOTE:

    Make sure that the battery is fully charged.

    NOTE:

    The scan tool, (special tool #8443A, SRS Load Tool), and DVOM are required to perform the following test.

    1. Turn the ignition on.

      Select ACTIVE or STORED DTC:

      ACTIVE DTC 

      • Go To  2

      STORED DTC 

      • Go To  6
  2. CHECK FOR OPEN LEFT SEAT AIRBAG SQUIB 
    Fig 1: Checking Left Seat Airbag Squib Circuit For Open
    GC0099287Courtesy 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 Left Seat Airbag harness connector.
      WARNING:

      Do not place an intact non-deployed Seat Squib Airbag face down on a hard surface, the airbag will propel into the air if accidentally deployed. Failure to follow these instructions may result in possible serious or fatal injury.

      NOTE:

      Check connectors - Clean and repair as necessary.

    2. Connect the (special tool #8443A, SRS Load Tool) and the (special tool #8443-1, Jumpers, 2 Pin) to the Left Seat Airbag 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.

    3. With the scan tool, read the active ORC DTCs.

      Does the scan tool display: B0108-1B-FRONT DRIVER SIDEBAG - CIRCUIT RESISTANCE ABOVE THRESHOLD - DTC?

      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.

  3. CHECK FOR A OPEN LEFT SEAT AIRBAG SQUIB CIRCUIT IN THE SEAT BACK 
    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 Left Seat Airbag in-line harness connector (under Left Seat).
      NOTE:

      Check connectors - Clean and repair as necessary.

    2. Connect the (special tool #8443A, SRS Load Tool) and the (special tool #8443-1, Jumpers, 2 Pin) to the Left Seat Airbag in-line harness connector (Body Side).
      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. With the scan tool, read the active ORC DTCs.

      Does the scan tool display: B0108-1B-FRONT DRIVER SIDEBAG - CIRCUIT RESISTANCE ABOVE THRESHOLD - DTC?

      Yes 

      • Go To  4

      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.

      • In accordance with the Service Information repair or replace the Left Seat Airbag wiring harness (Side Airbag Jumper). Open Left Seat Airbag circuits between the in-line harness connector and the Left Seat Airbag harness connector.
      • Perform the RESTRAINTS SYSTEM VERIFICATION TEST. Refer to RESTRAINTS SYSTEM VERIFICATION TEST .
  4. CHECK FOR OPEN (R5) LEFT SEAT SQUIB 1 LINE 2 CIRCUIT IN THE BODY HARNESS TO THE SEAT 
    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 (special tool #8443A, SRS Load Tool) and the (special tool #8443-1, Jumpers, 2 Pin) from the in-line harness connector (body side).
    2. Disconnect the ORC harness connectors.
      NOTE:

      Check connectors - Clean and repair as necessary.

      NOTE:

      After disconnecting the ORC module and the ORC module body harness connector, check the ORC module body harness connector shorting bar pin location. The shorting bar pin location should be down and not visible through the larger center holes of the ORC module body harness connector.

      Fig 2: Occupant Restraint Controller (ORC) C1 & C2 Harness Connector End View
      GC0154277Courtesy of CHRYSLER GROUP, LLC
    3. Connect the (special tool #8443-25, 56 Way ACM Adapter) to the ORC harness connectors.
    4. Measure the resistance of the (R5) Left Seat Squib 1 Line 2 circuit between the (special tool #8443-25, 56 Way ACM Adapter) cavity 32-7 and the in-line harness connector (body side).

      Is the resistance below 1.0 Ohm?

      Yes 

      • Go To  5

      No 

      • Repair or Replace the (R5) Left Seat Squib 1 Line 2 circuit for an open or high resistance in accordance with Service Information.
      • Perform the RESTRAINTS SYSTEM VERIFICATION TEST. Refer to RESTRAINTS SYSTEM VERIFICATION TEST .
  5. CHECK FOR AN OPEN (R7) LEFT SEAT SQUIB 1 LINE 1 CIRCUIT IN THE BODY HARNESS 
    1. Measure the resistance of the (R7) Left Seat Squib 1 Line 1 circuit between the (special tool #8443-25, 56 Way ACM Adapter) cavity 32-8 and the in-line harness connector (body side).

      Is the resistance below 1.0 Ohm?

      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.

      No 

      • Repair or Replace the (R7) Left Seat Squib 1 Line 1 circuit for an open or high resistance in accordance with Service Information.
      • Perform the RESTRAINTS SYSTEM VERIFICATION TEST. Refer to RESTRAINTS SYSTEM VERIFICATION TEST .
  6. CHECKING STORED OR INTERMITTENT CODES 
    NOTE:

    Diagnose and repair all active codes before diagnosing stored codes.

    1. With the scan tool, record and erase all Airbag System Module DTCs.
      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.

    2. Using the wiring diagram/schematic as a guide, inspect the related wiring and connectors for chafed, pierced, pinched, and partially broken wires, and for broken, bent, pushed out, corroded, and contaminated terminals. Repair as necessary.
    3. Reconnect all disconnected components and 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. With the scan tool, monitor for active codes while performing the following:
      • Wiggle the wiring harness and connectors of the related airbag circuit.
      • Continue the test until either a code becomes active or the problem area is isolated.
    5. In the previous steps you have attempted to recreate the conditions responsible for setting the DTC in question/causing the intermittent condition.

      Are any ACTIVE DTCs present?

      Yes 

      No 

      • No problem found at this time. Erase all codes before returning the vehicle to the customer.
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