Diagnostic Test
- VERIFY POST DEPLOYMENT REPAIRS NOTE: Ensure 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 any active ORC power supply, Bus related DTCs 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 step 2
- PERFORM THE OCM REZERO TEST
- With the scan tool in OCM, select MISC. FUNCTION and OCM REZERO.
- Follow the instructions on the Scan Tool to complete the test.
- Select the OCM REZERO procedure results from the list below.
Rezero Passed and Completed
- The OCM has passed the Rezero Test and the repair is complete.
- Perform the RESTRAINTS SYSTEM VERIFICATION TEST. Refer to DTC-Based Diagnostics/CONTROLLER, Occupant Restraint (ORC) - Standard Procedure .
OCM Rezero Failed
- Go to step 3
- REZERO TEST RESULTS
- With the scan tool, read the active OCM DTC.NOTE: The B1BA8-OCM SYSTEM OUT OF CALIBRATION/NOT CALIBRATED DTC will remain active until the REZERO test is completed successfully.
Does the scan tool display any active trouble codes except B1BA7 and B1BA8 DTC?
Yes
- Perform the appropriate DTC. See DTC-Based Diagnostics/MODULE, Occupant Classification (OCM) - Diagnosis and Testing .
No
- Go to step 4
- With the scan tool, read the active OCM DTC.
- PERFORM SECOND OCM REZERO TEST
- With the scan tool in OCM, select MISC. FUNCTION and OCM REZERO.
- Follow the instructions on the Scan Tool to complete the test.
- 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
- The OCM has passed the Rezero test and the repair is complete.
- Perform the RESTRAINTS SYSTEM VERIFICATION TEST. Refer to DTC-Based Diagnostics/CONTROLLER, Occupant Restraint (ORC) - Standard Procedure .
OCM Rezero Failed
- Go to step 5
- REZERO TEST RESULTS
- With the scan tool, read the active OCM DTC.
Does the scan tool display any active trouble codes except the B1BA8?
Yes
- Perform the RESTRAINTS SYSTEM VERIFICATION TEST. Refer to DTC-Based Diagnostics/CONTROLLER, Occupant Restraint (ORC) - Standard Procedure .
No
- Go to step 6
- With the scan tool, read the active OCM DTC.
- PERFORM THIRD OCM REZERO TEST
- With the scan tool in OCM, select MISC. FUNCTION and OCM REZERO.
- Follow the instructions on the Scan Tool to complete the test.
- Select the OCM REZERO procedure results from the list below.
Rezero Passed and Completed
- The OCM has passed the Rezero test and the repair is complete.
- Perform the RESTRAINTS SYSTEM VERIFICATION TEST. Refer to DTC-Based Diagnostics/CONTROLLER, Occupant Restraint (ORC) - Standard Procedure .
OCM Rezero Failed
- Replace the OCM in accordance with the Service Information.
- Perform the OCM REZERO. Refer to DTC-Based Diagnostics/CONTROLLER, Occupant Restraint (ORC) - Standard Procedure .
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 serious or fatal injury.CAUTION: Disconnecting or connecting the OCM connectors with the battery connected permanently damages the OCM.