DTC 25-8x

DTC 25-8x ("x" can be 0 thru 9 or A thru F): Short to Power in Driver's Lap Belt Tensioner

Special Tools Required
- SRS inflator simulator 07SAZ-TB4011A
- SRS simulator lead L 070AZ-SNAA300

NOTE: Before doing this troubleshooting procedure, review SRS Precautions and Procedures and General Troubleshooting Information.

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

Does the SRS indicator stay on, and is DTC 25-8x 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, troubleshoot the DTC.

3. Turn the ignition switch OFF. Disconnect the negative cable from the battery, then wait for 3 minutes.
4. Disconnect the floor wire harness 2P connector (A) from the driver's lap belt tensioner (B).






5. Connect the SRS inflator simulator (2 ohms connectors) and simulator lead L to the floor wire harness.
6. Reconnect the negative cable to the battery.
7. Clear the DTC memory.
8. Read the DTC.

Is DTC 25-8x indicated?

YES - Go to step 9.

NO - Short to power in the driver's lap belt; replace the driver's seat belt.

9. Turn the ignition switch OFF. Disconnect the negative cable from the battery, then wait for 3 minutes.
10. Disconnect the both seat belt tensioner 4P connectors.
11. Disconnect the front passenger's lap belt tensioner 2P connector.
12. Disconnect SRS unit connector B (28P) from the SRS unit.
13. Disconnect the SRS inflator simulator from the SRS simulator lead L. Do not disconnect the simulator lead from the floor wire harness 2P connector.
14. Reconnect the negative cable to the battery.
15. Turn the ignition switch ON (II).
16. Measure the voltage between each terminal of the black SRS simulator lead (A) and body ground. There should be 0.5 V or less.






Is the voltage as specified?

YES - Faulty SRS unit; replace the SRS unit.

NO - Short to power in the floor wire harness; replace the floor wire harness.