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.
- These SWS DTCs are cleared by turning the ignition switch to LOCK (0).
1. Raise the front passenger's seat all the way up.
2. Clear the DTCs with the HDS.
3. Turn the ignition switch to ON (II), then wait for 10 seconds.
4. Check for DTCs with the HDS.
Is DTC 82-14 indicated?
YES -
Go to step 5.
NO -
Intermittent failure, the system is OK at this time. Go to Troubleshooting Intermittent Failures If another DTC is indicated, troubleshoot the DTC.
5. From the HDS Main Menu, select SRS, then Inspection. In the Inspection Menu, select the 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 ODS unit 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 6.
- DTC 14-13: Open in the front passenger's weight sensor (front inner side) output circuit. Go to step 14.
- DTC 14-14: Short to ground in the front passenger's weight sensor (front inner side) output circuit. Go to step 23.
NO -
Intermittent failure, the system is OK at this time. Go to Troubleshooting Intermittent Failures If another DTC is indicated, troubleshoot the DTC.
6. Turn the ignition switch to LOCK (0).
7. Disconnect the front passenger's weight sensor (front inner side) 3P connector (A) on the ODS unit harness.
8. Turn the ignition switch to ON (II), then wait for 10 seconds.
9. Check for DTCs with the HDS.
Is DTC 14-12 indicated?
YES -
Go to step 10.
NO -
Faulty front passenger's weight sensor (front inner side); replace the front passenger's seat frame including all four front passenger's weight sensors Service and Repair, then clear the DTC.
10. Turn the ignition switch to LOCK (0).
11. Disconnect the ODS unit 18P connector (A) from the ODS unit.
12. Measure the resistance between body ground and ODS unit 18P connector terminal No. 3.
Is there an open circuit, or at least 1 MOhms?
YES -
Go to step 13.
NO -
Short to ground in the ODS unit harness; replace the ODS unit harness, then clear the DTC.
13. Measure the resistance between ODS unit 18P connector terminals No. 3 and No. 13.
Is there an open circuit or at least 1 MOhms?
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.
14. Turn the ignition switch to LOCK (0).
15. Swap the connections between the front inner side front passenger's weight sensor and the rear inner side sensor.
16. Turn the ignition switch to ON (II), then wait for 10 seconds.
17. Check for DTCs with the HDS.
Is DTC 14-13 indicated?
YES -
Go to step 18.
NO -
Faulty front passenger's weight sensor (front inner side); replace the front passenger's seat frame including all four front passenger's weight sensors Service and Repair, then clear the DTC.
18. Turn the ignition switch to LOCK (0).
19. Disconnect the front passenger's weight sensor (front inner side) 3P connector (A) and the front passenger's weight sensor (rear inner side) 3P connector (B) on the ODS unit harness.
20. Disconnect the ODS unit 18P connector (A) from the ODS unit.
21. Turn the ignition switch to ON (II).
22. Measure the voltage between body ground and ODS unit 18P connector terminal No. 8.
Is there an open circuit, or at least 1 MOhms?
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.
23. Turn the ignition switch to LOCK (0).
24. Disconnect the front passenger's weight sensor (front inner side) 3P connector (A) on the ODS unit harness.
25. Turn the ignition switch to ON (II), then wait for 10 seconds.
26. Check for DTCs with the HDS.
Is DTC 14-14 indicated?
YES -
Go to step 27.
NO -
Faulty front passenger's weight sensor (front inner side); replace the seat frame including all four front passenger's weight sensors Service and Repair, then clear the DTC.
27. Turn the ignition switch to LOCK (0).
28. Disconnect the ODS unit 18P connector (A) from the ODS unit.
29. Measure the resistance between body ground and ODS unit 18P connector terminal No. 8.
Is there an open circuit, or at least 1 MOhms?
YES -
Go to step 30.
NO -
Short to ground in the ODS unit harness; replace the ODS unit harness, then clear the DTC.
30. Measure the resistance between ODS unit 18P connector terminals No. 8 and No. 13.
Is there an open circuit, or at least 1 MOhms?
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.