DTC 4-5

DTC 4-5: Short to Ground in Front Passenger's Seat Belt Tensioner

Special Tools Required
- SRS inflator simulator 07SAZ-TB4011A
- SRS simulator lead E 07XAZ-S1A0200
- SRS simulator lead F 07XAZ-SZ30100

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?

YES - Go to step 3.

NO - Intermittent failure, system is OK at this time. Go to Troubleshooting Intermittent Failures. Diagnostic Strategies If another DTC is indicated, go to the DTC Troubleshooting Index. DTC List - Supplemental Restraint System

3. Turn the ignition switch OFF. Disconnect the battery negative cable, and wait for 3 minutes.




4. Disconnect the right rear door wire harness 2P connector (A) from the front passenger's seat belt tensioner.
5. Connect the SRS inflator simulator (2 Ohms connector) and simulator lead E to the right rear door wire harness connector.
6. Reconnect the battery negative cable.
7. Erase the DTC memory.
8. Read the DTC.

Is DTC 4-5 indicated?

YES - Go to step 9.

NO - Short to ground in the front passenger's seat belt tensioner; replace the front passenger's seat belt.

9. Turn the ignition switch OFF. Disconnect the battery negative cable, and wait for 3 minutes.




10. Disconnect right rear door wire harness 4P connector C761 (A)from the right rear door subharness connector C761 (B).
11. Connect the SRS inflator simulator (2 Ohms connectors) and simulator lead F to the right rear door subharness connector.
12. Reconnect the battery negative cable.
13. Erase the DTC memory.
14. Read the DTC.

Is DTC 4-5 indicated?

YES - Go to step 15.

NO - Short to ground in the right rear door wire harness; replace the right rear door wire harness.

15. Turn the ignition switch OFF. Disconnect the battery negative cable, and wait for 3 minutes.




16. Disconnect right rear door subharness 4P connector C557 (A) from the floor wire harness connector C557 (B).
17. Connect the SRS inflator simulator (2 Ohms connectors) and simulator lead F to the floor wire harness connector.
18. Reconnect the battery negative cable.
19. Erase the DTC memory.
20. Read the DTC.

Is DTC 4-5 indicated?

YES - Go to step 21.

NO - Short to ground in the right rear door subharness; replace the right rear door subharness.

21. Turn the ignition switch OFF. Disconnect the battery negative cable, and wait for 3 minutes.




22. Disconnect floor wire harness 4P connector C404 (A) from the dashboard wire harness B connector C404.
23. Connect the SRS inflator simulator (2 Ohms connectors) and simulator lead F to dashboard wire harness B connector.
24. Reconnect the battery negative cable.
25. Erase the DTC memory.
26. Read the DTC.

Is DTC 4-5 indicated?

YES - Go to step 27.

NO - Short to ground in the floor wire harness; replace the floor wire harness.

27. Turn the ignition switch OFF. Disconnect the battery negative cable, and wait for 3 minutes.
28. Disconnect the driver's airbag connector, the front passenger's airbag connector, and the driver's seat belt tensioner connector.
29. Disconnect SRS unit connector A (18P) from the SRS unit.
30. Disconnect simulator lead F from dashboard wire harness B.




31. Check resistance between the No. 9 terminal of SRS unit connector A (18P) and body ground, and between the No. 18 terminal and body ground. There should be an open circuit or at least 1 MOhms.

Is the resistance as specified?

YES - Faulty SRS unit; replace the SRS unit.

NO - Short to ground in dashboard wire harness B; replace dashboard wire harness B.