Diagnostic Routine R

Diagnostic Routine R

Diagnostic Overview

The Air Bag Warning Indicator Is Never or Always On

Normal Operation and Fault Conditions

REFER to Air Bag Warning Indicator .

If the air bag indicator lamp request message is missing for less than 2 seconds, the IPC (Instrument Panel Cluster) defaults the air bag warning indicator to its last state (on or off) based upon the last known good message received.

If the air bag indicator lamp request message is missing or is deemed invalid for 2 seconds or longer, the BCM (Body Control Module) and the IPC (Instrument Panel Cluster) set DTC (Diagnostic Trouble Code) U0151:00. If the air bag indicator lamp request message is missing, the IPC (Instrument Panel Cluster) defaults the air bag warning indicator on.

Pinpoint Test

1. RETRIEVE THE RECORDED DTCs (Diagnostic Trouble Codes) FROM THE IPC (Instrument Panel Cluster) SELF-TEST

1. Using a scan tool, perform the IPC (Instrument Panel Cluster) self-test.

Are any DTCs (Diagnostic Trouble Codes) recorded?







2. RETRIEVE THE RECORDED DTCs (Diagnostic Trouble Codes) FROM THE RCM (Restraints Control Module) SELF-TEST

1. Using a scan tool, perform the RCM (Restraints Control Module) self-test.

Are any DTCs (Diagnostic Trouble Codes) recorded?







3. RETRIEVE THE RECORDED DTCs (Diagnostic Trouble Codes) FROM THE BCM (Body Control Module) SELF-TEST

1. Using a scan tool, perform the BCM (Body Control Module) self-test.

Are any DTCs (Diagnostic Trouble Codes) recorded?







4. CHECK THE AIR BAG WARNING INDICATOR USING THE DEALER TEST MODE

1. Ignition OFF.

2. Enter the Dealer Test Mode. REFER to Dealer Test Mode .

3. Scroll to LED test.

4. Monitor the air bag warning indicator.

Does the air bag warning indicator illuminate?