Basic Diagnostics Procedure

4A1: CHECK AIRBAG WARNING LIGHT ILLUMINATES.

1. Airbag warning light comes ON.
2. Turn ignition switch to ON (engine OFF).
3. Check airbag warning light illuminates.

CHECK: Does airbag warning light slay ON after about 7 seconds or remain OFF, or come back ON after 30 seconds?

YES: Repair and replace.

NO: Go to step 4A2.

4A2: CHECK TROUBLE CODE INDICATES.

Perform ON-BOARD DIAGNOSTICS.

CHECK: Does trouble code indicate?

YES: Repair and replace. Then go to step 4A3.

NO: Repair and replace. Then go to step 4A3.

4A3: CHECK AIRBAG WARNING LIGHT ILLUMINATES.

1. Turn ignition switch to ON (engine OFF).
2. Check airbag warning light illuminates.

CHECK: Does airbag warning light stay ON after about 7 seconds or come back ON after 30 seconds?

YES: Repair and replace.

NO: Go to step 4A4.

4A4: CHECK AIRBAG WARNING LIGHT ILLUMINATES.

Check airbag warning light illuminates.

CHECK: Does airbag warning light come ON for about 7 seconds, then go out and stay out?

YES: Perform clear memory.

NO: Go to step 4A1.