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Home >> Dodge and Ram >> 2017 >> Viper GTS >> Repair and Diagnosis >> Restraints >> Restraints Control Systems >> (Occupant Classification Module (OCM) - Electrical Diagnostics) >> Standard Procedure >> OCM REZERO >> Diagnostic Test
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Diagnostic Test

  1. VERIFY POST DEPLOYMENT REPAIRS 
    NOTE:

    Make sure that the battery is fully charged.

    NOTE:

    Verify that the scan tool has the latest software update before proceeding with this test.

    NOTE:

    If any airbags have been deployed, make sure all components related to the deployment have been inspected or replaced in accordance with Service Information.

    NOTE:

    Correct all active ORC DTC except the Interrogate OCM, and Driver and Passenger STPS DTC in OCM DTC, before performing this procedure.

    NOTE:

    Correct all active OCM DTC except the B1BA7-OCCUPANT CLASSIFICATION SYSTEM VERIFICATION REQUIRED, and B1BA8-OCM OUT OF CALIBRATION/NOT CALIBRATED DTC, before performing this procedure.

    NOTE:

    Make sure that the passenger seat is empty and in the full rearward position before performing this procedure.

    NOTE:

    Make sure the vehicle is setting level and the interior is at room temperature.

    NOTE:

    Make sure the Passenger Seat Belt is unbuckled and completely retracted.

    Continue 

    • Go To  2
  2. PERFORM THE OCS VERIFICATION SYSTEM TEST 
    1. With the scan tool in OCM, select MISC. FUNCTION and OCM REZERO.
    2. Follow the instructions on the scan tool to complete the test.
    3. Select the OCM REZERO procedure results from the list below.

      Rezero Passed and Completed 

      OCM Rezero Failed 

      • Go To  3
  3. REZERO TEST RESULTS 
    1. With the scan tool, read the active OCM DTC.

      Does the scan tool display any active trouble codes except B1BA7 and B1BA8 DTC?

      Yes 

      No 

      • Go To  4
  4. PERFORM SECOND OCS REZERO TEST 
    1. With the scan tool in OCM, select MISC. FUNCTION and OCM REZERO.
    2. Follow the instructions on the Scan Tool to complete the test.
    3. Select the OCM REZERO procedure results from the list below.

      Does the scan tool display any active trouble codes except B1BA7 and B1BA8 DTC?

      Rezero Passed and Completed 

      OCM Rezero Failed 

      • Go To  5
  5. REZERO TEST RESULTS 
    1. With the scan tool, read the active OCM DTC.

      Does the scan tool display any active trouble codes?

      Yes 

      No 

      • Go To  6
  6. PERFORM THIRD OCS REZERO TEST 
    1. With the scan tool in OCM, select MISC. FUNCTION and OCM REZERO.
    2. Follow the instructions on the Scan Tool to complete the test.
    3. Select the OCM REZERO procedure results from the list below.

      Rezero Passed and Completed 

      OCM Rezero Failed 

      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 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 may result in possible serious or fatal injury.

        CAUTION:

        Disconnecting or connecting the OCM connectors with the battery connected permanently damages the OCM.

      • Replace the OCM in accordance with the Service Information.
      • Perform the OCM REZERO. Refer to OCM REZERO  .