81-79

SRS DTC Troubleshooting: 81-79

DTC 81-79:

Front Passenger's Weight Sensors Initial Check Failure

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 Reading and Clearing Diagnostic Trouble Codes.

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

3. Check for the DTCs with the HDS. Reading and Clearing Diagnostic Trouble Codes

Is DTC 81-79 indicated?

YES -

Go to step 4.

NO -

Intermittent failure, the system is OK at this time. Go to Troubleshooting Intermittent Failures Reading and Clearing Diagnostic Trouble Codes. If another DTC is indicated, troubleshoot the DTC.�

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

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

6. Turn the ignition switch to ON (II), then 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 Reading and Clearing Diagnostic Trouble Codes. If another DTC is indicated, troubleshoot the DTC.�

NO -

Loosen the front passenger's seat mounting bolts Front Seat Removal/Installation, and shake the seat in all directions. Tighten the seat mounting bolts to the specified torque, then initialize the ODS unit Programming and Relearning. If the problem is still present, replace the front passenger's weight sensors Service and Repair, then clear the DTC, and if the problem is still present, replace the ODS unit ODS Unit Replacement, then clear the DTC.�