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Diagnostic Test

  1. 1) DETERMINE ACTIVE OR STORED DTC 
    CAUTION: Repair all other active OCM and ORC DTCs before proceeding with this test. Refer to DIAGNOSTIC CODE INDEX  for a complete list of airbag system diagnostic procedures.
    NOTE: Ensure that the battery is fully charged.

    Turn the ignition on.

    SELECT ACTIVE or STORED DTC: 

    ACTIVE DTC 

    1. Go To step  2).

    STORED DTC 

    1. Go To step  4).
  2. 2) VERIFY THAT THE ORC IS ACTIVE ON THE BUS 

    With the scan tool, attempt to communication with the ORC.

    Will the scan tool communicate with the ORC? 

    Yes 

    1. Go To step  3).

    No 

    1. Refer to DIAGNOSIS AND TESTING for the No Response From ORC diagnostic test procedure.
    2. Perform *ORC VERIFICATION TEST - VER 1 . .
  3. 3) DETERMINE THE CORRECT REPAIR 
    NOTE: The Occupant Classification Module (OCM) and the Passenger Seat Bladder and Cushion Kit are the only serviceable OCS components.

    Determine the correct repair by verifying if the front passenger seat has a Bladder and Cushion Service Kit as follows:

    • If possible, check the vehicle's repair history.
    • The Service Kit wiring harness uses tamper resistant material on the harness connector. Inspect for the tamper resistant material on the harness connector.

    Does the seat have a Bladder and Cushion Service Kit? 

    Yes 

    WARNING: If the Occupant Classification Module (OCM) is dropped at any time, it must be replaced. Failure to take the proper precautions could result in accidental airbag deployment and personal injury or death.
    WARNING: To avoid personal injury or death, turn the ignition off, disconnect the battery and wait two minutes before proceeding.
    NOTE: The Bladder and Cushion Kit are calibrated as an assembly. Do not disconnect the Bladder from the Cushion Kit. Service only as an assembly.
    1. Replace OCS Bladder and Cushion Kit in accordance with the Service information.
    2. Perform SYSTEM VERIFICATION REQUIRED .

    No 

    WARNING: If the Occupant Classification Module (OCM) is dropped at any time, it must be replaced. Failure to take the proper precautions could result in accidental airbag deployment and personal injury or death.
    WARNING: To avoid personal injury or death, turn the ignition off, disconnect the battery and wait two minutes before proceeding.
    1. Replace the OCM in accordance with the Service Information.
    2. Perform SYSTEM VERIFICATION REQUIRED .
  4. 4) INSPECT THE OCCUPANT CLASSIFICATION SYSTEM (OCS) WIRING AND CONNECTORS FOR CONDITIONS THAT CAUSED THE DTC TO SET 
    NOTE: Diagnose and repair all active codes before diagnosing stored codes. Refer to DIAGNOSTIC CODE INDEX  for a complete list of airbag system diagnostic procedures.

    With the scan tool, record and erase the ORC and OCM DTCs.

    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.

    Are any of these conditions present? 

    Yes 

    NOTE: The Occupant Classification Module (OCM) and the Passenger Seat Bladder and Cushion Kit are the only serviceable OCS components.
    WARNING: If the Occupant Classification Module (OCM) is dropped at any time, it must be replaced. Failure to take the proper precautions could result in accidental airbag deployment and personal injury or death.
    WARNING: To avoid personal injury or death, turn the ignition off, disconnect the battery and wait two minutes before proceeding.
    1. Replace the OCS Bladder and Cushion Kit in accordance with the Service information.
    2. Perform SYSTEM VERIFICATION REQUIRED .

    No 

    1. Go To step  5).
  5. 5) INSPECT THE OCCUPANT RESTRAINT RELATED BODY SYSTEM WIRING AND CONNECTORS FOR CONDITIONS THAT CAUSED THE DTC TO SET 

    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.

    Are any of these conditions present? 

    Yes 

    1. Repair as necessary in accordance with the Service Information.
    2. Perform *ORC VERIFICATION TEST - VER 1 . .

    No 

    1. Go To step  6).
  6. 6) TEST FOR AN INTERMITTENT CONDITION 

    Turn the ignition on.

    With the scan tool, read and erase the OCM and ORC DTCs.

    Turn the ignition off, wait 15 seconds, then turn the ignition on.

    With the scan tool, read the active OCM and ORC DTCs.

    Does the scan tool display any active DTCs? 

    Yes 

    1. Select the appropriate diagnostic procedure from DIAGNOSTIC CODE INDEX  .

    No 

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