Interrogate OCM

INTERROGATE OCM

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

1. DETERMINE ACTIVE OR STORED DTC

CAUTION: Repair all other active ORC DTCs before proceeding with this test. Refer to Trouble Code Diagnostic Charts 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.

Q: Does the scan tool display any DTCs?

YES: Diagnose and repair the DTC(s). Refer to Trouble Code Diagnostic Charts for a complete list of airbag system diagnostic procedures.
NO:

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.
- TO AVOID PERSONAL INJURY OR DEATH, TURN THE IGNITION OFF, DISCONNECT THE BATTERY AND WAIT TWO MINUTES BEFORE PROCEEDING.

Replace the ORC.
Perform AIRBAG SYSTEM VERIFICATION TEST - VER 1. Airbag System Verification Test

3. TEST FOR AN INTERMITTENT CONDITION

NOTE: Diagnose and repair all active codes before diagnosing stored codes. Refer to Trouble Code Diagnostic Charts 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.

Q: Does the scan tool display any active DTCs?

YES: Select the appropriate diagnostic procedure from Trouble Code Diagnostic Charts.
NO: No problem found at this time. Erase all codes before returning the vehicle to the customer.