Use the chart below verify the symptoms of the trouble in order to diagnose the appropriate area.
| No. | Troubleshooting item | Description | Page |
| 1 | Air bag system warning light does not illuminate. | Air bag system warning light does not illuminate while the air bag system is performing initialization. | |
| 2 | Air bag system warning light illuminates constantly. | Air bag system warning light is illuminated constantly and remains illuminated after 6 s have elapsed. | (See NO.2 AIR BAG SYSTEM WARNING LIGHT ILLUMINATES CONSTANTLY) |