DTC 22-1x

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

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

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, and is D?C 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, go to the DTC Troubleshooting Index. DTC List - Supplemental Restraint System

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 ohm connector) and simulator lead C to the SRS harness.
6. Reconnect the negative cable to the battery.
7. Erase the DTC memory.
8. Check for a DTC.

Is DTC 22-1x indicated?

YES - Go to step 9.

NO - Open or increased resistance 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 13 (28P) from the SRS unit. Do not disconnect the simulator lead from the SRS harness 2P connector.




12. Check resistance between the No. 3 and No. 4 terminals of SRS unit connector B (28P). There should be 2.0-3.0 ohm.

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 (6).




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

Is the resistance as specified?

YES - Open or increased resistance in the SRS subharness replace the SRS subharness.

NO - Open or increased resistance in the SRS harness: replace the SRS harness.