DTC 71-22

DTC 71-22: Short to Power in Driver's Seat Position Sensor

NOTE: Use the HDS to confirm the driver's seat position before proceeding with troubleshooting.

1. Erase the DTC memory.
2. Turn the ignition switch ON (II), and check the SRS indicator comes on for about 6 seconds and then goes off.

Does the SRS indicator stay on, and is DTC 71-22 indicated?

YES - Go to step 3.

NO - Intermittent failure, system is OK at this time. Go to Troubleshooting Intermittent Failures. Troubleshooting Intermittent Failures If another DTC is indicated, go to the DTC Troubleshooting Index. Diagnostic Trouble Code Descriptions

3. Turn the ignition switch OFF. Disconnect the negative cable from the battery, and wait for 3 minutes.




4. Disconnect the left side wire harness 2P connector from the driver's seat position sensor (A).
5. Disconnect both seat belt tensioner 4P connectors.
6. Disconnect SRS unit connector B (28P) from the SRS unit.




7. Check the voltage between the No. 5 terminal of SRS unit connector B (28P) and body ground, and between the No. 6 terminal and body ground. There should be 1 V or less.

Is the voltage as specified?

YES - Faulty driver's seat position sensor or SRS unit; replace the driver's seat position sensor. If the problem is still present, replace the SRS unit.

NO - Short to power in the right side wire harness or left side wire harness; replace the faulty harness.