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 DTC memory. Reading and Clearing Diagnostic Trouble Codes

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

3. Read the DTC. 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), then wait for 10 seconds.

7. Read the DTC. Reading and Clearing Diagnostic Trouble Codes

Is DTC 81-79 indicated?
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 -
- 4-door: Remove the front passenger's seat assembly Front Seat Removal/Installationand the front passenger's weight sensor assembly, Front Passengers Weight Sensor Replacement (4-Door) then reinstall them. Do the front passenger's weight sensor initialization. Programming and RelearningIf DTC 81-79 is still present, replace the front passenger's seat slide assembly including all four front passenger's weight sensors, Front Passengers Weight Sensor Replacement (4-Door) then clear the DTC.If the DTC is still present, replace the ODS unit, ODS Unit Replacement then clear the DTC.

- 2-door: Remove the front passenger's seat assembly Front Seat Removal/Installationand the front passenger's weight sensor assembly, Front Passengers Weight Sensor Replacement (2-Door) then reinstall them. Do the front passenger's weight sensor initialization. Programming and RelearningIf DTC 81-79 is still present, replace the front passenger's weight sensor assembly, 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.