22-3x
SRS DTC Troubleshooting: 22-3x
DTC 22-3x ("x" can be 0 thru 9 or A thru F):
Short to Another Wire or Decreased Resistance in the Front Passenger's Seat Belt Tensioner
Special Tools Required
- SRS Inflator Simulator 07SAZ-TB4011A
- SRS Simulator Lead K 070AZ-SNAA200
- SRS Short Canceller 070AZ-SAA0100
NOTE:
- Before doing this troubleshooting procedure, find out if the vehicle was in a collision. If so, verify that all the required components were replaced with new components, of the correct part number, and that they were properly installed Service and Repair.
- Before doing this troubleshooting procedure, review SRS Precautions and Procedures Service and Repair, General Troubleshooting Information Reading and Clearing Diagnostic Trouble Codes, and Battery Terminal Disconnection and Reconnection Procedures.
- 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 Testing and Inspection, and retest.
1. Clear the DTCs with the HDS.
2. Turn the ignition switch to ON (II), or press the engine start/stop button to select the ON mode, then wait for 10 seconds.
3. Check for DTCs with the HDS.
Is DTC 22-3x indicated?
YES -
Go to step 4.
NO -
Intermittent failure, the system is OK at this time. Go to Troubleshooting Intermittent Failures. If another DTC is indicated, troubleshoot the DTC.
4. Turn the ignition switch to LOCK (0), or press the engine start/stop button to select the OFF mode.
5. Disconnect the negative cable from the battery, then wait at least 3 minutes.
6. Remove the right side B-pillar lower trim.
7. Disconnect the SRS floor wire harness 4P connector (A) from the front passenger's seat belt tensioner 4P connector.
8. Connect the terminals of SRS simulator lead K to the SRS inflator simulator (2 Ohms connectors), and then connect SRS simulator lead K to the SRS floor wire harness 4P connector.
9. Reconnect the negative cable to the battery.
10. Clear the DTCs with the HDS.
11. Turn the ignition switch to ON (II), or press the engine start/stop button to select the ON mode, then wait for 10 seconds.
12. Check for DTCs with the HDS.
Is DTC 22-3x indicated?
YES -
Go to step 13.
NO -
Short to another wire in the front passenger's seat belt tensioner; replace the front passenger's seat belt Front Seat Belt Replacement, then clear the DTC.
13. Turn the ignition switch to LOCK (0), or press the engine start/stop button to select the OFF mode.
14. Disconnect the negative cable from the battery, then wait at least 3 minutes.
15. Disconnect SRS unit connector B (39P) from the SRS unit.
16. Disconnect SRS simulator lead K from the SRS floor wire harness 4P connector.
17. Connect an SRS short canceller (070AZ-SAA0100) to SRS unit connector B (39P) terminals No. 14 and No. 15.
18. Measure the resistance between SRS unit connector B (39P) terminals No. 14 and No. 15. There should be an open circuit or at least 1 MOhms.
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 Service and Repair. If the DTC does not clear, replace the SRS floor wire harness.
NO -
Short to another wire in the SRS floor wire harness; replace the SRS floor wire harness, then clear the DTC.