DTC 22-30

DTC 22-30: Decreased Resistance in Passenger's Seat Belt Tensioner

Special Tools Required
- SRS inflator simulator 07SAZ-TB4011A
- SRS simulator lead L 070AZ-SNAA300

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 DTC 22-30 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. Diagnostic Trouble Code Descriptions

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




4. Disconnect the passenger's seat belt tensioner 2P connector from the SRS main harness (A).
5. Connect the SRS inflator simulator (2 ohms connector) and SRS simulator lead L to the SRS main harness.
6. Reconnect the negative cable to the battery.
7. Erase the DTC memory.
8. Read the DTC.

Is DTC 22-30 indicated?

YES - Go to step 9.

NO - Short in the passenger's seat belt tensioner; replace the 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.
12. Disconnect the SRS simulator lead from the SRS main harness.




13. Check resistance between the No. 3 and the No. 4 terminals of SRS unit connector B (28P). 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 (28P) and the SRS unit. Check the connection between the connector and the SRS unit. If the connection is OK, replace the SRS unit.

NO - Short in the SRS main harness; replace the SRS main harness.