85-79

SRS DTC Troubleshooting: 85-79

DTC 85-79:

OPDS Sensor Initial Check Failure

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.
- Before replacing the SRS unit, check the SRS unit software version with the HDS. If the software version is not the latest, update the SRS unit software Testing and Inspection, and retest.

1. Clear the DTCs with the HDS.

2. Turn the ignition switch to ON (II), and check that the SRS indicator comes on for about 6 seconds and then goes off.

Does the SRS indicator go off?

YES -

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

NO -

Go to step 3.

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

4. Make sure nothing is on the front passenger's seat, and make sure nothing is in the seat-back pocket.

5. Clear the DTCs with the HDS.

6. Turn the ignition switch to ON (II), and check that the SRS indicator comes on for about 6 seconds and then goes off.

Does the SRS indicator go off?

YES -

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

NO -

Go to step 7.

7. Do the ODS unit initialization Programming and Relearning.

8. Turn the ignition switch to ON (II), and check that the SRS indicator comes on for about 6 seconds and then goes off.

Does the SRS indicator go off?

YES -

The system is OK at this time.

NO -

Replace the ODS unit Service and Repair, then clear the DTC and retest. If the DTC is still present, replace the OPDS sensor/front passenger's seat-back cover/pad Service and Repair.