81-4x

SRS DTC Troubleshooting: 81-4x, 81-5x, 81-63, 81-64

DTC 81-4x, 81-5x ("x" can be 0 thru 9 or A thru F), 81-63, 81-64:

Internal Failure of the ODS Unit

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.

1. Clear the DTC memory.

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

3. Read the DTC.

Is DTC 81-4x, 81-5x, 81-63, or 81-64 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 DTC memory.

5. Do the front passenger's weight sensor initialization, with the HDS, without the HDS.

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

7. Read the DTC.

Is DTC 81-4x, 81-5x, 81-63, or 81-64 indicated?

YES -

Go to step 8.

NO -

The system is OK at this time.�

8. Replace the ODS unit ODS Unit Replacement.

9. Clear the DTC memory.

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

11. Read the DTC.

Is DTC 81-4x, 81-5x, 81-63, or 81-64 indicated?

YES -

Replace the SRS unit SRS Unit Replacement.�

NO -

The system is OK.�