81-71

SRS DTC Troubleshooting: 81-71, 81-78

DTC 81-71, 81-78:

ODS Unit Not Calibrated

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 Service and Repair.
- Before doing this troubleshooting procedure, review SRS Precautions and Procedures Service and Repair and General Troubleshooting Information Reading and Clearing 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 Testing and Inspection, and retest.

1. Clear the DTC memory.

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

3. Read the DTC.

Is DTC 81-71 or 81-78 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.

4. Do the front passenger's weight sensor initialization Programming and Relearning.

5. Turn the ignition switch to LOCK (0), then wait for 10 seconds.

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

7. Read the DTC.

Is 81-71 or 81-78 DTC indicated?

YES -

Faulty ODS unit, replace the ODS unit Service and Repair, then clear the DTC. If the DTC is still present, replace the SRS unit Service and Repair.

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.