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.
- These DTCs are codes that relate to the front passenger's weight sensor operation.

1. Clear the DTCs with the HDS.

2. Turn the ignition switch to ON (II), or press the engine start/stop button to select the ON mode, then wait for 10 seconds.

3. Check for DTCs with the HDS.

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. Clear the DTCs with the HDS.

5. Do the front passenger's weight sensor initialization.

6. Turn the ignition switch to ON (II), or press the engine start/stop button to select the ON mode, then wait for 10 seconds.

7. Check for DTCs with the HDS.

Is DTC 81-71 or 81-78 indicated?

YES -

Go to step 8.

NO -

The system is OK at this time.

8. Replace the ODS unit Service and Repair.

9. Clear the DTCs with the HDS.

10. Turn the ignition switch to ON (II), or press the engine start/stop button to select the ON mode, then wait for 10 seconds.

11. Check for DTCs with the HDS.

Is DTC 81-71 or 81-78 indicated?

YES -

Replace the SRS unit Service and Repair.

NO -

The system is OK at this time.