34-2x

SRS DTC Troubleshooting: 34-1x, 34-2x (x can be 0 thru 9 or A thru F)

DTC 34-1x ("x" can be 0 thru 9 or A thru F): Open in Right Side Curtain Airbag Inflator

DTC 34-2x ("x" can be 0 thru 9 or A thru F): Increased Resistance in Right Side Curtain Airbag Inflator

Special Tools Required

- SRS inflator simulator 07SAZ-TB4011A
- SRS simulator lead E 07XAZ-S1A0200
NOTE:

- Before doing this troubleshooting procedure, review SRS Precautions and Procedures Service and Repair and General Troubleshooting Information. Initial Inspection and Diagnostic Overview

- Before this troubleshooting, review Battery Terminal Disconnection and Reconnection. Procedures

1. Clear the DTC memory. Initial Inspection and Diagnostic Overview

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 34-1x or 34-2x indicated?
YES - Go to step 3.

NO - Intermittent failure, the system is OK at this time Go to Troubleshooting Intermittent Failures.. Initial Inspection and Diagnostic Overview If another DTC is indicated, troubleshoot the DTC.


3. Turn the ignition switch to LOCK (0). Disconnect the negative cable from the battery, then wait at least 3 minutes.

4. Disconnect the right side wire harness 2P connector (A) from the right side curtain airbag (B).






5. Connect the SRS inflator simulator (2 Ohms connector) and simulator lead E to the right side wire harness.

6. Reconnect the negative cable to the battery.

7. Clear the DTC memory.

8. Read the DTC. Initial Inspection and Diagnostic Overview

Is DTC 34-1x or 34-2x indicated?
YES - Go to step 9.

NO - Open or increased resistance in the right side curtain airbag inflator, replace the right side curtain airbag. Side Curtain Airbag Replacement


9. Turn the ignition switch to LOCK (0). Disconnect the negative cable from the battery, then wait at least 3 minutes.

10. Disconnect SRS unit connector C (28P) from the SRS unit. Service and Repair

11. Disconnect the SRS inflator simulator from the SRS simulator lead.

12. Measure the resistance between the terminals of the SRS simulator lead. There should be less than 1.0 Ohms.

Is the resistance as specified?
YES - Faulty SRS unit or poor connection at SRS unit connector C (28P) and SRS unit. Check the connection; if the connection is OK, replace the SRS unit. SRS Unit Replacement

NO - Go to step 13.






13. Disconnect right side wire harness 16P connector C655 (A) from left side wire harness connector C655 (B).






14. Measure the resistance between the No. 11 and No. 12 terminals of left side wire harness 16P connector C655. There should be less than 1.0 Ohms.

Is the resistance as specified?
YES - Open or increased resistance in the right side wire harness; replace the right side wire harness.

NO - Go to step 15.






15. Disconnect right side wire harness 16P connector C604 (A) from left side wire harness connector C604 (B).






16. Measure the resistance between the No. 6 and No. 8 terminals of right side wire harness 16P connector C604. There should be 1.0 Ohms or less.

Is the resistance as specified?
YES - Open or increased resistance in the left side wire harness; replace the left side wire harness.

NO - Open or increased resistance in the right side wire harness; replace the right side wire harness.