82-14

SRS DTC Troubleshooting: 82-14

DTC 82-14:

No Signal From the Front Passenger's Weight Sensor (front inner side)

NOTE:

- Before doing this troubleshooting procedure, find out if the vehicle was in a collision. If so, verify that all the required components were replaced with new components, of the correct part number, and that they were properly installed Service and Repair.
- Before doing this troubleshooting procedure, review SRS Precautions and Procedures Service and Repair, and General Troubleshooting Information Reading and Clearing Diagnostic Trouble Codes.

1. Clear the DTCs with the HDS.

2. Turn the ignition switch to ON (II), then wait for 10 seconds.

3. Check for DTCs with the HDS.

Is DTC 82-14 indicated?

YES -

Go to step 4.

NO -

Intermittent failure, the system is OK at this time. Go to Troubleshooting Intermittent Failures.

4. From the HDS Main Menu, select SRS, then Inspection. In the Inspection Menu, select SWS DTC CHECK.

Is an SWS DTC also indicated?

YES -

- DTC 14-11: Short to power in the front passenger's weight sensor (front inner side) power circuit; replace the front passenger's seat wire harness, then clear the DTC.
- DTC 14-12: Short to ground in the front passenger's weight sensor (front inner side) power circuit. Go to step 5.
- DTC 14-13: Open in the front passenger's weight sensor (front inner side) output circuit. Go to step 13.
- DTC 14-14: Short to ground in the front passenger's weight sensor (front inner side) output circuit. Go to step 22.

NO -

Intermittent failure, the system is OK at this time. Go to Troubleshooting Intermittent Failures.

5. Turn the ignition switch to LOCK (0).

6. Disconnect the ODS unit harness 3P connector (A) from the front passenger's weight sensor (front inner side).

7. Turn the ignition switch to ON (II), then wait for 10 seconds.

8. Check for DTCs with the HDS.

Is DTC 14-12 indicated?

YES -

Go to step 9.

NO -

Faulty front passenger's weight sensor (front inner side); replace the front passenger's seat slide including all four front passenger's weight sensors Service and Repair, then clear the DTC.

9. Turn the ignition switch to LOCK (0).

10. Disconnect the ODS unit harness 18P connector (A) from the ODS unit.

11. Measure the resistance between body ground and ODS unit harness 18P connector terminal No. 3. There should be an open circuit or at least 1 MOhms.

Is the resistance as specified?

YES -

Go to step 12.

NO -

Short to ground in the ODS unit harness; replace the ODS unit harness, then clear the DTC.

12. Measure the resistance between ODS unit harness 18P connector terminals No. 3 and No. 13. There should be an open circuit or at least 1 MOhms.

Is the resistance as specified?

YES -

Faulty ODS unit; replace the ODS unit Service and Repair, then clear the DTC.

NO -

Short to another wire in the ODS unit harness; replace the ODS unit harness, then clear the DTC.

13. Turn the ignition switch to LOCK (0).

14. Swap the connections between the front inner side front passenger's weight sensor and the rear inner side sensor.

15. Turn the ignition switch to ON (II), then wait for 10 seconds.

16. Check for DTCs with the HDS.

Is DTC 14-13 indicated?

YES -

Go to step 17.

NO -

Faulty front passenger's weight sensor (front inner side); replace the front passenger's seat slide including all four front passenger's weight sensors Service and Repair, then clear the DTC.

17. Turn the ignition switch to LOCK (0).

18. Disconnect the ODS unit harness 3P connector (A) from the front passenger's weight sensor (front inner side), then disconnect the ODS unit harness 3P connector (B) from the front passenger's weight sensor (rear inner side).

19. Disconnect the ODS unit harness 18P connector (A) from the ODS unit.

20. Turn the ignition switch to ON (II).

21. Measure the voltage between body ground and ODS unit harness 18P connector terminal No. 8. There should be less than 0.2 V.

Is the voltage as specified?

YES -

Faulty ODS unit; replace the ODS unit Service and Repair, then clear the DTC.

NO -

Short to power in the ODS unit harness; replace the ODS unit harness, then clear the DTC.

22. Turn the ignition switch to LOCK (0).

23. Disconnect the ODS unit harness 3P connector (A) from the front passenger's weight sensor (front inner side).

24. Turn the ignition switch to ON (II), then wait for 10 seconds.

25. Check for DTCs with the HDS.

Is DTC 14-14 indicated?

YES -

Go to step 26.

NO -

Faulty front passenger's weight sensor (front inner side); replace the front passenger's seat slide including all four front passenger's weight sensors Service and Repair, then clear the DTC.

26. Turn the ignition switch to LOCK (0).

27. Disconnect the ODS unit harness 18P connector (A) from the ODS unit.

28. Measure the resistance between body ground and ODS unit harness 18P connector terminal No. 8. There should be an open circuit or at least 1 MOhms.

Is the resistance as specified?

YES -

Go to step 29.

NO -

Short to ground in the ODS unit harness; replace the ODS unit harness, then clear the DTC.

29. Measure the resistance between ODS unit harness 18P connector terminals No. 8 and No. 13. There should be an open circuit or at least 1 MOhms.