Diagnostic Test
- VERIFY THAT DTC B2102-IGNITION RUN/START INPUT CIRCUIT HIGH IS ACTIVE NOTE: Ensure the battery is fully charged.
- With the scan tool, read OCM DTC.
Does the scan tool display active: B2102-IGNITION RUN/START INPUT CIRCUIT HIGH?
Yes
- Go to step 2
No
- Perform the RESTRAINTS SYSTEM INTERMITTENT TEST. Refer to DTC-Based Diagnostics/CONTROLLER, Occupant Restraint (ORC) - Standard Procedure .
- With the scan tool, read OCM DTC.
- CHECK FOR CHARGING SYSTEM RELATED DTC IN THE POWERTRAIN CONTROL MODULE (PCM)
- With the scan tool in ECU View, select PCM and check for any Charging System related DTC.
Does the scan tool display any Charging System related DTC?
Yes
- Diagnose and repair the DTC. Refer to DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Diagnosis and Testing .
No
- 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 follow these instructions may result in possible serious or fatal injury.
- With the scan tool in ECU View, select PCM and check for any Charging System related DTC.