| DTC A2-1x (A2-10 to A2-19, A2-1A to A2-1F): | Faulty power supply (VB line) |
| 1. | Check the No. 22 (10A) fuse in the under-dash fuse/relay box. Is the fuse OK? YES - Go to 11. NO - Go to 2. |
| 2. | Replace the No. 22 (10A) fuse. |
| 3. | Turn the ignition switch ON (II), and wait for 30 seconds. Then turn the ignition switch OFF. |
| 4. | Check the No. 22 (10A) fuse. Is the fuse OK? YES - The system is OK at this time. NO - Go to 5. |
| 5. | Replace the No. 22 (10A) fuse. |
| 6. | Turn the ignition swith OFF. Disconnect the battery negative cable. |
| 7. | Disconnect SRS unit connector A (28P) from the SRS unit. |
| 8. | Reconnect the battery negative cable. |
| 9. | Turn the ignition swith ON (II) and wait for 30 seconds. Then turn the igunition switch OFF. |
| 10. | Check the No. 22 (10A) fuse. Is the fuse OK? YES - Short to ground in the SRS unit; replace the SRS unit.n NO - Short to ground in the dashboard wire harness or in the under-dash fuse/relay box No. 22 (10A) fuse circuit; replace the dashboard wire harness.If the problem is still there, replace the under-dash fuse/relay box.n |
| 11. | Turn the ignition swith OFF. Disconnect the battery negative cable. |
| 12. | Disconnect SRS unit connector A (28P) from the SRS unit. |
| 13. | Reconnect the battery negative cable. |
| 14. | Connect a voltmeter between the No. 18 terminal of SRS unit connector A (28P) and body ground. Turn the ignition switch ON (II), and measure the voltage. There should be battery voltage. Is the battery voltage? YES - Faulty SRS unit or poor contact at SRS unit connector A (28P) and the SRS unit; check the connection. If the connection is OK, replace the SRS unit.n NO - Go to 15. |
| 15. | Turn the ignition switch OFF. |
| 16. | Disconnect under-dash fuse/relay box connector S (2P). |
| 17. | Check resistance between the No. 2 terminal of under-dash fuse/relay box connector S (2P) and the No. 18 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 contact between connector S (2P) and the under-dash fuse/relay box; check the connection. If the connection is OK, replace the under-dash fuse/relay box.n NO - Open in dashboard wire harness; replace the dashboard wire harness. |