DTC Troubleshooting: 34-3x

DTC 34-3x (34-30 to 34-39, 34-3A to 34-3F):
Short to Another Wire or Decreased Resistance in Right Side Curtain Airbag Inflator

Special Tools Required
SRS inflator simulator (  07SAZ-TB4011A)
 

SRS simulator lead M (  070AZ-SNA0400)
 
SRS short canceller (  070AZ-SAA0100)
 


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 34-3x indicated?


YES - Go to 3.


NO - Intermittent failure, system is OK at this time. Go to Troubleshooting Intermittent Failures. If another DTC is indicated, go to the DTC Troubleshooting Index.


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

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

 

5.Connect the SRS inflator simulator (2 W connector) and simulator lead M to the floor wire harness.

6.Reconnect the negative cable to the battery.

7.Erase the DTC memory.

8.Read the DTC.

Is DTC 34-3x indicated?


YES - Go to 9.


NO - Short to another wire in the right side curtain airbag inflator; replace the right side curtain airbag.n


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

10.Disconnect SRS unit connector B (28P) from the SRS unit.

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

12.Connect the SRS short canceller (070AZ-SAA0100) to the No. 23 and No. 24 terminals of SRS unit connector B (28P).

13.Check resistance between the terminals of the SRS simulator lead. There should be an open circuit or at least 1 MW.

 

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; if the connection is OK, replace the SRS unit.n


NO - Short in the floor wire harness; replace the floor wire harness.n