Air Bag Diagnostic System Check

WARNING: To avoid deployment when troubleshooting the air bag system, do not use electrical test equipment such as a battery powered or AC powered voltmeter, ohmmeter, etc., or any type of electrical equipment other than that specified. Do not use a non-powered probe type tester. Instructions must be followed carefully, otherwise personal injury may result.

CAUTION: The order in which DTC are diagnosed is very important. Failure to diagnose the DTC in the order specified may result in extended diagnostic time, incorrect diagnosis and incorrect parts replacement.

The diagnostic procedures are designed to find and repair air bag system malfunctions. To get the best results, it is important to use the diagnostic flows and follow the sequence listed.

Perform "Air Bag Diagnostic System Check Flow Table"
The "Air Bag Diagnostic System Check Flow" must be the starting point of any air bag system diagnostics. The "Air Bag Diagnostic System Check Flow" checks for proper "AIR BAG" warning lamp operation, the ability of the SDM to communicate through "AIR BAG" warning lamp and whether air bag DTC exist.

Refer to the proper flow as directed by "Air Bag Diagnostic System Check Flow Table"
The "Air Bag Diagnostic System Check Flow" will lead you to the correct flow to diagnose any air bag system malfunctions. Bypassing these procedures may result in extended diagnostic time, incorrect diagnosis and incorrect parts replacement.

Repeat "Air Bag Diagnostic System Check Flow Table" after any repair or diagnostic procedures have been performed.
Performing the "Air Bag Diagnostic System Check" after all repair or diagnostic procedures will ensure that the repair has been made correctly and that no other malfunctions exist.

Step 1 - 4:

Step 5 - 11:

Air Bag Diagnostic System Check Flow Table