Diagnostic Test
- CHECK FOR ACTIVE SEAT TRACK POSITION SENSOR CODES NOTE: Make sure the battery is fully charged.
- Turn the ignition on.
- With the scan tool, read OCM DTC.NOTE: If B1B93, B1B94, B1B95 or B1B97 Seat Track Position Sensor DTC are active, you must run these tests before continuing.
Does the scan tool display any active: B1B93, B1B94, B1B95 or B1B97 Seat Track Position Sensor codes?
Yes
- Perform the appropriate DTC. See DTC-Based Diagnostics/MODULE, Occupant Classification (OCM) - Diagnosis and Testing .
No
- Go to step 2
- VERIFY THAT PASSENGER SENSOR
Does the scan tool display active: B1B92-PASSENGER SEAT TRACK POSITION SENSOR CIRCUIT PERFORMANCE?
Yes
- Go to step 3
No
- Perform the RESTRAINTS SYSTEM INTERMITTENT TEST. Refer to DTC-Based Diagnostics/CONTROLLER, Occupant Restraint (ORC) - Standard Procedure .
- PERFORM SEAT TRACK POSITION SENSOR PERFORMANCE TEST
- With the scan tool monitor the Passenger Seat Track Position Sensor state.
- While observing the scan tool display, move the Passenger Seat to the full forward position and then to the full rearward position.
Does the Passenger Seat Track Position Sensor change state when the seat is moved?
Yes
- 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: If the Occupant Classification Module (OCM) is dropped at any time, it must be replaced. Failure to take the proper precautions can result in accidental airbag deployment and serious or fatal injury.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.CAUTION: Disconnecting or connecting the OCM connectors with the battery connected permanently damages the OCM.No
- Replace the Passenger Seat Track Position Sensor in accordance with the Service Information.
- Perform the RESTRAINTS SYSTEM VERIFICATION TEST. Refer to DTC-Based Diagnostics/CONTROLLER, Occupant Restraint (ORC) - Standard Procedure .
- If the B1B8C-DRIVER SEAT TRACK POSITION SENSOR CIRCUIT PERFORMANCE DTC returns active:
- 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 can result in accidental airbag deployment and serious or fatal injury.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.CAUTION: Disconnecting or connecting the OCM connectors with the battery connected permanently damages the OCM.