86-1x

SRS DTC Troubleshooting: 86-1x, 86-2x

DTC 86-1x ("x" can be 0 thru 9 or A thru F):

Faulty OPDS Seat-Back Sensor

DTC 86-2x ("x" can be 0 thru 9 or A thru F):

Faulty OPDS Seat Support Sensor

NOTE: 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 86-1x or 86-2x indicated?

YES -

Go to step 4.

NO -

Intermittent failure, the system is OK at this time. Go to Troubleshooting Intermittent Failures. If another DTC is indicated, troubleshoot the DTC. �

NOTE: Aftermarket devices (fluorescent lights, laptop computers, etc.) used near the front passenger's seat-back can interfere with the seat-back sensors and cause a false DTC 86-1x or 86-2x. If one of these devices was used, erase the DTC, operate the device near the seat-back, and recheck for DTCs. If DTC 86-1x or 86-2x is set, erase it, and do not use the device near the seat-back.

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

5. Check the connection at the front passenger's seat wire harness connectors (A) and the ODS unit 18P connector (B).





Are the connections OK?

YES -

Go to step 6.

NO -

Repair the poor connection, and clear the DTC, and retest. If DTC 86-1x or 86-2x is still present, go to step 6.

6. Replace the front passenger's seat-back cover/pad with equipped OPDS sensor Front Seat-Back Cover/Pad Replacement, then clear the DTC.

7. Do the ODS unit initialization Programming and Relearning.

8. Clear the DTCs with the HDS.

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

10. Check for DTCs with the HDS.

Is DTC 86-1x or 86-2x indicated?

YES -

Replace the ODS unit ODS Unit Replacement, then clear the DTC, and retest. If the DTC is still present, replace the SRS unit SRS Unit Replacement.�

NO -

The system is OK.�