DTC 81-79

DTC 81-79: Front Passenger's Weight Sensors Drift Check Failure

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

Does the SRS indicator stay on, and is DTC 81-79 indicated?

YES - Turn the ignition switch OFF, and go to step 3.

NO - Intermittent failure, system is OK at this time. Go to Troubleshooting Intermittent Failures. If another DTC is indicated, go to the Trouble Code Descriptions.

3. Make sure nothing is on the front passenger's seat, or in the seat-back pocket.
4. Turn the ignition switch 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.

NO - Remove the front passenger's seat assembly and front passenger's weight sensors, then reinstall them. Calibrate the front passenger's weight sensor unit. Retry the troubleshooting.