DTC 22-1

DTC 22-1: Open in Front Passenger's Seat Belt Buckle Tensioner

Special Tools Required
- SRS inflator simulator 07SAZ-TB4011A
- SRS simulator lead F 07XAZ-SZ30100

1. Erase 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?

YES - Go to step 3.

NO - Intermittent failure, system is OK at this time. Go to Troubleshooting Intermittent Failures.

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




4. Disconnect the front passenger's seat belt buckle tensioner 4P connector from the floor wire harness (A).
5. Connect the special tool (2 Ohm connectors) to the floor wire harness.
6. Reconnect the battery negative cable.
7. Erase the DTC memory.
8. Read the DTC.

Is DTC 22-1 or DTC 22-2 indicated?

YES - Go to step 9.

NO - Open or increased resistance in the front passenger's seat belt buckle tensioner; replace the front passenger's seat belt buckle.

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




10. Disconnect both side airbag 2P connectors (A) and the driver's seat belt buckle tensioner 4P connector (B).




11. Disconnect SRS unit connector B (18P) from the SRS unit.




12. Check resistance between the No.2 and No.11 terminals of SRS unit connector B (18P). There should be 2.0 - 3.0 Ohm

Is the resistance as specified?

YES - Faulty SRS unit or poor contact at SRS unit connector B (18P) and the SRS unit. Check the connection; if the connection is OK, replace the SRS unit.

NO - Open or increased resistance in the floor wire harness; replace the floor wire harness.