| DTC A1-1x (A1-10 to A1-19, A1-1A to A1-1F): | Faulty Power Supply (VA Line) |
| 1. | Erase the DTC memory. |
| 2. | Turn the ignition switch ON (II), and wait for 10 seconds. |
| 3. | Read the DTC. Is DTC A1-1x indicated? YES - Go to 4. NO - Intermittent failure, system is OK at this time. Go to Troubleshooting Intermittent Failures. If another DTC is indicated, go to the DTC Troubleshooting Index. |
| 4. | Turn the ignition switch OFF. |
| 5. | Check the No. 9 (7.5 A) fuse in the under-dash fuse/relay box. Is the fuse OK? YES - Go to 6. NO - Replace the No. 9 (7.5 A) fuse. |
| 6. | Disconnect the negative cable from the battery, and wait for 3 minutes. |
| 7. | Disconnect the SRS unit connector A (28P) from the SRS unit. |
| 8. | Reconnect the negative cable to the battery. |
| 9. | Turn the ignition switch ON (II). |
| 10. | Check for voltage between the No. 17 terminal of SRS unit connector A (28P) and body ground. There should be battery voltage.
Is there battery voltage? YES - Faulty SRS unit or poor connection at SRS unit connector A (28P) and the SRS unit. Check the connection between the connector and the SRS unit. If the connection is OK, replace the SRS unit. NO - Go to 11. |
| 11. | Turn the ignition switch OFF. |
| 12. | Disconnect under-dash fuse/relay box connector J (4P).
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| 13. | Check resistance between the No. 4 terminal of the under-dash fuse/relay box connector J (4P) and the No. 17 terminal of SRS unit connector A (28P). There should be 0-1.0 W.
Is the resistance as specified? YES - Open in the under-dash fuse/relay box or poor connection between connector J (4P) and the driver's under-dash fuse/relay box; check the connection. If the connection is OK, replace the under-dash fuse/relay box.n NO - Open in the dashboard wire harness; replace the dashboard wire harness.n |