Occupant Classification Module (OCM)

B210E-BATTERY VOLTAGE HIGH







- When Monitored:
While the CAN bus ignition status received is RUN or Signal Not Available (SNA), the module checks the (A952) Fused B(+) circuit voltage input range.

- Set Condition:
If the module detects that the battery voltage is greater than or equal to 24.25 volts ±0.25 volts for 10 seconds.





1. CHECK FOR AN ACTIVE DTC
1. Turn the ignition on.
2. With the scan tool, read OCM DTCs.

Does the scan tool display active: B210E-BATTERY VOLTAGE HIGH?

Yes

- Go To 2

No

- Go To 4

2. CHECK THE BATTERY VOLTAGE TO THE OCCUPANT CLASSIFICATION MODULE
1. With the scan tool in Data Display, read OCM battery voltage.

Is the battery voltage greater than 24.0 volts?

Yes

- Go To 3

No

- 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.

- Replace the OCM.
- Perform the OCCUPANT CLASSIFICATION MODULE SYSTEM VERIFICATION TEST. Occupant Classification Module (OCM) System Verification Test.

3. CHECK FOR CHARGING SYSTEM RELATED DTCs IN THE POWERTRAIN CONTROL MODULE (PCM)
1. With the scan tool in ECU View, select PCM and check for any Charging System related DTCs.

Does the scan tool display any Charging System related DTCs?

Yes

- Diagnose and repair the DTCs. Testing and Inspection.

No

- Replace the OCM.
- Perform the OCCUPANT CLASSIFICATION MODULE SYSTEM VERIFICATION TEST. Occupant Classification Module (OCM) System Verification Test.

4. TEST FOR INTERMITTENT CONDITION
1. With the scan tool, record and erase all DTCs from all Airbag modules.
2. If any ACTIVE codes are present they must be resolved before diagnosing any stored codes.

Does the scan tool display any ACTIVE DTCs?

Yes

- Select appropriate diagnostic procedure. Testing and Inspection.

No

- No problem found. Erase all codes before returning vehicle to customer.