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Home >> Chrysler >> 2010 >> PT Cruiser >> Repair and Diagnosis >> Restraints >> Restraints Control Systems >> Occupant Classification Module (OCM) - Electrical Diagnostics >> DTC Troubleshooting >> B1BA8-OCM System Out Of Calibration/Not Calibrated >> Diagnostic Test

Diagnostic Test

  1. PERFORM OCCUPANT CLASSIFICATION MODULE SYSTEM VERIFICATION TEST 
    1. Verify that the passenger seat is empty.
      NOTE: Failure to follow the test instructions or aborting the test will cause faults to set when performing the Occupant Classification Module System Verification Test. To prevent faults due to process errors: Verify That All Tests Steps That Led You Here Were Performed As Directed; Verify That The Ignition Is In Run; Wait 30 Seconds After Changing The Seat Weight Before Proceeding To Allow The System To Stabilize; Only Press Scan Tool Buttons When Directed To Do So; and Perform The Occupant Classification Module System Verification Test To Completion.
    2. With the scan tool in OCM, select More Options, select System Tests, and select Occupant Classification Module System Verification Test. Run the test by following the instructions displayed on the scan tool. Refer to. See DTC-Based Diagnostics/MODULE, Occupant Classification (OCM) - Standard Procedure . When the test is complete, proceed as follows.
    3. With the scan tool, read OCM DTCs.

      Does the scan tool display any active DTCs?

      Yes - B1BA8 DTC Returned 

      • Go to step  2

      Yes - But Other DTCs Present 

      No - No Active DTCs Present 

  2. PERFORM OCCUPANT CLASSIFICATION MODULE SYSTEM VERIFICATION TEST 
    1. Verify that the passenger seat is empty.
      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. Verify that all of the Seat Weight Sensor mounting screws are torqued to specification. Refer to Body - Specifications .
      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.
      NOTE: Failure to follow the test instructions or aborting the test will cause faults to set when performing the Occupant Classification Module System Verification Test. To prevent faults due to process errors: Verify That All Tests Steps That Led You Here Were Performed As Directed; Verify That The Ignition Is In Run; Wait 30 Seconds After Changing The Seat Weight Before Proceeding To Allow The System To Stabilize; Only Press Scan Tool Buttons When Directed To Do So; and Perform The Occupant Classification Module System Verification Test To Completion.
    3. With the scan tool in OCM, select More Options, select System Tests, and select Occupant Classification Module System Verification Test. Run the test by following the instructions displayed on the scan tool. Refer to. See DTC-Based Diagnostics/MODULE, Occupant Classification (OCM) - Standard Procedure . When the test is complete, proceed as follows.
    4. With the scan tool, read OCM DTCs.

      Does the scan tool display any active DTCs?

      Yes - B1BA8 DTC Returned 

      Yes - But Other DTCs Present 

      No - No Active DTCs Present