NO CLUSTER MESSAGE

For a complete wiring diagram Refer to Section 8W.

When Monitored:
With the ignition on.
Set Condition:
The Instrument Cluster (IC) broadcasts the airbag warning indicator status on the Bus. The Occupant Restraint Controller (ORC) expects this status message once every second. The ORC will set this DTC if it fails to receive this status message for 10 consecutive seconds.

Possible Causes

MIC COMMUNICATION FAILURE

ORC

Diagnostic Test

1. DETERMINE ACTIVE OR STORED DTC

NOTE: Ensure that the battery is fully charged.

Turn the ignition on.

SELECT ACTIVE or STORED DTC:

ACTIVE DTC

Go To 2

STORED DTC

Go To 3

2. VERIFY THAT THE IC IS ACTIVE ON THE BUS

With the scan tool, attempt to communicate with the IC.

Will the scan tool communicate with the IC?

Yes

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 the *AIRBAG SYSTEM VERIFICATION TEST - VER 1.

(Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - DIAGNOSIS AND TESTING) for No Response diagnostic test procedures.
Perform the *AIRBAG SYSTEM VERIFICATION TEST - VER 1.

3. CHECKING STORED OR INTERMITTENT CODES

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, check for active DTCs in the ORC.

Does the scan tool display any DTCs?

Yes

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

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