DTC 81-79: Front Passenger's Weight Sensors Initial Check Failure
WARNING: This page is about a different car, the 2013 Honda Fit, 2012 Honda Fit, 2011 Honda Fit, 2010 Honda Fit, and 2009 Honda Fit. However, it is still accessible from the selected car via links, so may be relevant.
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. (See COMPONENT REPLACEMENT/INSPECTION AFTER DEPLOYMENT ).
- Before doing this troubleshooting procedure, review SRS PRECAUTIONS AND PROCEDURES and, General Troubleshooting Information (see DTC (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 (see SRS UNIT UPDATE ), and retest.
- Clear the DTCs with the HDS (see CLEAR THE DTC MEMORY ).
- Turn the ignition switch to ON (II), then wait for 10 seconds.
- Check for the DTCs with the HDS (see READING THE DTC
).
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 . If another DTC is indicated, troubleshoot the DTC.
- Turn the ignition switch to LOCK (0).
- Make sure nothing is on or under the front passenger's seat, and make sure nothing is in the seat-back pocket.
- Clear the DTCs with the HDS (see CLEAR THE DTC MEMORY ).
- Turn the ignition switch to ON (II), then wait for 10 seconds.
- Check for the DTCs with the HDS (see READING THE DTC
).
Is DTC 81-79 indicated?
YES - Go to step 9
NO - Intermittent failure, the system is OK at this time.
- Turn the ignition switch to LOCK (0).
- Loosen the front passenger's seat mounting bolts, and shake the seat in all directions. Tighten the seat mounting bolts to the specified torque. (See FRONT SEAT REMOVAL/INSTALLATION ).
- Clear the DTCs with the HDS (see CLEAR THE DTC MEMORY ).
- Do the front passenger's weight sensor initialization (see FRONT PASSENGER'S WEIGHT SENSOR INITIALIZATION ).
- Turn the ignition switch to LOCK (0), then wait for 10 seconds.
- Turn the ignition switch to ON (II), then wait for 10 seconds.
- Check for the DTCs with the HDS (see READING THE DTC
).
Is DTC 81-79 indicated?
YES - Go to step 16
NO - Intermittent failure, the system is OK at this time.
- Replace the front passenger's seat frame including all front passenger's weight sensors, then clear the DTC. (See FRONT SEAT REMOVAL/INSTALLATION ).
- Turn the ignition switch to ON (II), then wait for 10 seconds
- Check for the DTCs with the HDS (see READING THE DTC
).
Is DTC 81-79 indicated?
YES - Replace the ODS unit (see ODS UNIT REPLACEMENT ), then clear the DTC and retest. If the DTC is still present, replace the SRS unit (see SRS UNIT REPLACEMENT ).
NO - The system is OK.