DTC 22-1x

DTC 22-1x ("x" can be 0 thru 9 or A thru F): Open in Front Passenger's Seat Belt Tensioner

Special Tools Required
- SRS inflator simulator 07SAZ-TB4011A
- SRS simulator lead C 07TAZ-SZ5011A

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 22-1x 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, and wait for 3 minutes.
4. Disconnect the front passenger's seat belt tensioner 2P connector from the SRS harness (A).






5. Connect the SRS inflator simulator (2 ohms connector) and simulator lead C to the SRS harness.
6. Reconnect the negative cable to the battery.
7. Clear the DTC memory.
8. Check for a DTC.

Is DTC 22-1x indicated?

YES - Go to step 9.

NO - Open in the front passenger's seat belt tensioner; replace the front passenger's seat belt.

9. Turn the ignition switch OFF. Disconnect the negative cable from the battery, and wait for 3 minutes.
10. Disconnect the driver's seat belt tensioner connector.
11. Disconnect SRS unit connector B (28P) from the SRS unit. Do not disconnect the simulator lead from the SRS harness 2P connector.
12. Measure the resistance between the No.3 and No.4 terminals of SRS unit connector B (28P). There should be 2.0-3.0 ohms.






Is the resistance as specified?

YES - Faulty SRS unit or poor connection at SRS unit connector B (28P). Check the connection; if the connection is OK, replace the SRS unit.

NO - Go to step 13.

13. Disconnect SRS harness 28P connector C854 (A) from SRS subharness connector C854 (B).






14. Measure the resistance between the No.3 and No.4 terminals of SRS harness 28P connector C854. There should be 2.0-3.0 ohms.






Is the resistance as specified?

YES - Open in the SRS subharness; replace the SRS subharness.

NO - Open in the SRS harness; replace the SRS harness.