DTC Troubleshooting: 33-1x

DTC 33-1x (33-10 to 33-19, 33-1A to 33-1F):
Open or Increased Resistance in Left Side Curtain Airbag Inflator

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

SRS simulator lead E (  07XAZ-S1A0200)
 


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 33-1x 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 battery negative cable, and wait for 3 minutes.

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

 

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

6.Reconnect the battery negative cable.

7.Erase the DTC memory.

8.Read the DTC.

Is DTC 33-1x indicated?


YES - Go to 9.


NO - Open or increased resistance in the left side curtain airbag; replace the left side curtain airbag.n


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

10.Disconnect SRS unit connector C (28P) from the SRS unit. Do not disconnect the simulator lead from the floor wire harness.

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

12.Check resistance between the terminals of the SRS simulator lead. There should be 1.0 W or less.

 

Is the resistance as specified?


YES - Faulty SRS unit or poor contact at the SRS unit connector C (28P) and the SRS unit. Check the connection; if the connection is OK, replace the SRS unit.n


NO - Open or increased resistance in the floor wire harness; replace the floor wire harness.n