81-78

SRS DTC Troubleshooting: 81-71, 81-78

DTC 81-71, 81-78: ODS Unit Not Calibrated

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 with the HDS. Reading and Clearing Diagnostic Trouble Codes

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

3. Check for DTCs with the HDS. Reading and Clearing Diagnostic Trouble Codes

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. Reading and Clearing Diagnostic Trouble Codes If another DTC is indicated, troubleshoot the DTC.


4. Clear the DTC with the HDS. Reading and Clearing Diagnostic Trouble Codes

5. Do the front passenger's weight sensor initialization. ODS Unit Initialization

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

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

8. Check for DTCs with the HDS. Reading and Clearing Diagnostic Trouble Codes

Is DTC 81-71 or 81-78 indicated?
YES - Replace the ODS unit, ODS Unit Replacement then clear the DTC. If DTC is still present, replace the SRS unit. SRS Unit Replacement

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.