DTC Troubleshooting: 12-9x
| DTC 12-9x (12-90 to 12-99, 12-9A to 12-9F): | |
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Special Tools Required
SRS inflator simulator ( 07SAZ-TB4011A)
SRS simulator lead C ( 07TAZ-SZ5011A)
SRS simulator lead F ( 07XAZ-SZ30100)
| 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 12-9x 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 for troubleshooting details.
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| 3. | Turn the ignition switch OFF. Disconnect the battery negative cable, and wait for 3 minutes.
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| 4. | Disconnect the driver's airbag 2P connector (A) from the cable reel.
 A07TAZ-SZ5011A07SAZ-TB4011A |
| 5. | Connect the SRS inflator simulator (2 W connector) and simulator lead C to the cable reel.
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| 6. | Reconnect the battery negative cable.
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| 9. | Turn the ignition switch OFF. Disconnect the battery negative cable, and wait for 3 minutes.
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| 10. | Disconnect the dashboard wire harness 4P connector (A) from the cable reel.
 A07SAZ-TB4011A07XAZ-SZ30100 |
| 11. | Connect the SRS inflator simulator (2 W connectors) and simulator lead F to the dashboard wire harness.
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| 12. | Reconnect the battery negative cable.
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| 15. | Turn the ignition switch OFF. Disconnect the battery negative cable, and wait for 3 minutes.
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| 16. | Disconnect SRS unit connector A (28P) from the SRS unit.
 A |
| 17. | Disconnect the SRS inflator simulator from the SRS simulator lead F.
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| 18. | Check resistance between each terminal of the SRS simulator lead F and body ground. There should be an open circuit, or at least 1 MW.
 07XAZ-SZ30100DASHBOARD
WIRE HARNESS
4P CONNECTORIs the resistance as specified?
YES - Faulty SRS unit; replace the SRS unit.n
NO - Short to ground in the dashboard wire harness; replace the dashboard wire harness.n |
