INTERROGATE OCM

For a complete wiring diagram Refer to Section 8W.

When Monitored:
With the ignition on.
Set Condition:
The Occupant Classification Module (OCM) broadcasts a status message on the Bus that provides classification and system fault data to the Occupant Restraint Controller (ORC). The ORC will set this DTC if the message indicates that there is an active fault in the occupant classification system.

Diagnostic Test

CAUTION: Repair all other active ORC DTCs before proceeding with this test. Refer to the Table Of Contents in this Section for a complete list of airbag system diagnostic procedures.

NOTE: Ensure that the battery is fully charged.

WARNING: When disconnecting or connecting airbag system components, the ignition must be turned off and the battery must be disconnected.

Turn the ignition on.

Select ACTIVE or STORED DTC:

ACTIVE DTC

Go To 2

STORED DTC

Go To 3

2. CHECK FOR ACTIVE DTCs IN THE OCM

With the scan tool, read active OCM DTCs.

Does the scan tool display any DTCs?

Yes

Diagnose and repair the DTC(s). Refer to the Table Of Contents in this Section for a complete list of airbag system diagnostic procedures.

WARNING: If the Occupant Restraint Controller (ORC) is dropped at any time, it must be replaced. Failure to take the proper precautions could result in accidental airbag deployment and personal injury or death.
WARNING: To avoid personal injury or death, turn the ignition off, disconnect the battery and wait two minutes before proceeding.
Replace the ORC in accordance with the Service information.
Perform *AIRBAG SYSTEM VERIFICATION TEST - VER 1.

3. TEST FOR AN INTERMITTENT CONDITION

NOTE: Diagnose and repair all active codes before diagnosing stored codes. Refer to the Table of Contents in this Section for a complete list of airbag system diagnostic procedures.

With the scan tool, record and erase all Airbag System Module DTCs.
Turn the ignition off, wait 15 seconds, then turn the ignition on.
With the scan tool, read the active ORC DTCs.

Does the scan tool display any active DTCs?

Yes

Select the appropriate diagnostic procedure from the Table of Contents in this section.

No problem found at this time. Erase all codes before returning the vehicle to the customer.