| DTC 21-8x (21-80 to 21-89, 21-8A to 21-8F): | Short to Power in Left Side Seat Belt Tensioner |
Special Tools Required
SRS inflator simulator ( 07SAZ-TB4011A)
| 1. | Erase the DTC memory. |
| 2. | Turn the ignition switch ON (II), and check that the SRS indicator comes on for about 6 seconds and then goes off. Does the SRS indicator stay on, and is DTC 21-8x indicated? YES - Go to 3. 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. |
| 3. | Turn the ignition switch OFF. Disconnect the negative cable from the battery, and wait for 3 minutes. |
| 4. | Disconnect the floor wire harness 4P connector (A) from the left side seat belt tensioner.
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| 5. | Connect the SRS inflator simulator (2 W connectors) and simulator lead K to the floor wire harness. |
| 6. | Reconnect the negative cable to the battery. |
| 7. | Erase the DTC memory. |
| 8. | Read the DTC. Is DTC 21-8x indicated? YES - Go to 9. NO - Short to power in the left side seat belt tensioner; replace the left side seat belt.n |
| 9. | Turn the ignition switch OFF. Disconnect the negative cable from the battery, and wait for 3 minutes. |
| 10. | Disconnect the front right side seat belt tensioner connector. |
| 11. | Disconnect SRS unit connector B (28P) from the SRS unit. |
| 12. | Disconnect the simulator lead from the floor wire harness. |
| 13. | Reconnect the negative cable to the battery. |
| 14. | Turn the ignition switch ON (II). |
| 15. | Check for voltage between the No. 1 terminal of SRS unit connector B (28P) and body ground, and between the No. 2 terminal and body ground. There should be 0.5 V or less.
Is the voltage as specified? YES - Faulty SRS unit or poor connection at SRS unit connector B (28P) and the SRS unit. Check the connection; if the connection is OK, replace the SRS unit.n NO - Short to power in the floor wire harness; replace the floor wire harness.n |