81-79

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 DTC with the HDS Reading and Clearing Diagnostic Trouble Codes.

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

3. Clear the DTC 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 the front passenger's seat.

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 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. Do the front passenger's weight sensor initialization Programming and Relearning. If the DTC is still present, replace the front passenger's weight sensor assembly, 4-door Front Passengers Weight Sensor Replacement (4-Door), 2-door Front Passengers Weight Sensor Replacement (2-Door), then clear the DTC. If the DTC is still present, replace the ODS unit ODS Unit Replacement, then clear the DTC.�