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. Initial Inspection and Diagnostic Overview

1. Clear the DTC memory. Initial Inspection and Diagnostic Overview

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 stay on, and is DTC 81-79 indicated?
YES - Go to step 3.

NO - Intermittent failure, the system is OK at this time. Go to Troubleshooting Intermittent Failures. Initial Inspection and Diagnostic Overview If another DTC is indicated, troubleshoot the DTC.


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

4. Make sure nothing is on the front passenger's seat.

5. 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 - Remove the front passenger's seat assembly Front Seat Removal/Installation, then reinstall it, calibrate the ODS unit. ODS Unit Calibration Retry the troubleshooting. If the problem is still present, replace the ODS unit. ODS Unit Replacement

NO - Intermittent failure, the system is OK at this time. Go to Troubleshooting Intermittent Failures. Initial Inspection and Diagnostic Overview If another DTC is indicated, troubleshoot the DTC.