DTC 22-1x

DTC 22-1x ("x" can be 0, 2 thru 9 or A thru F): Open in the Front Passenger's Seat Belt Tensioner

Special Tools Required
- SRS inflator simulator 07SAZ-TB4011A
- SRS simulator lead K 070AZ-SNAA200

NOTE:
- Before doing this troubleshooting procedure, review SRS Precautions and Procedures and General Troubleshooting Information.
- 2-door: Before replacing the SRS unit, check the SRS unit software version with the HDS. If the software version is not the latest, update the SRS unit software and retest.

1. Clear the DTC memory.
2. Turn the ignition switch to 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, the 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 to LOCK (0). Do the battery terminal disconnection procedure, then wait for 3 minutes.
4. Disconnect the SRS floor wire harness 4P connector (A) from the front passenger's seat belt tensioner.






5. Connect the SRS inflator simulator (2 ohms connectors) and simulator lead K to the SRS floor wire harness.
6. Do the battery terminal reconnection procedure.
7. Clear the DTC memory.
8. Read the 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 to LOCK (0). Do the battery terminal disconnection procedure, then wait for 3 minutes.
10. Disconnect SRS unit connector B (39P) from the SRS unit.
11. Connect a SRS short canceller (070AZ-SAA0100) to the No. 14 and the No. 15 terminals of SRS unit connector B (39P).
12. Measure the resistance between the No. 14 and the No. 15 terminals of SRS unit connector B (39P). 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 (39P) and the SRS unit. Check the connection; if the connection is OK, replace the SRS unit.

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