DTC Troubleshooting: 33-3x

DTC 33-3x (33-30 to 33-39, 33-3A to 33-3F):

Short to Another Wire or Decreased Resistance in Left Side Curtain Airbag Inflator

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

SRS simulator lead E ( 07XAZ-S1A0200)

SRS short canceller ( 070AZ-SAA0100)

1.	Erase the DTC memory.

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 33-3x 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 for troubleshooting details.

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 side curtain airbag subharness (A). A07XAZ-S1A020007SAZ-TB4011A

5.	Connect the SRS inflator simulator (2 W connector) and the simulator lead to the side curtain airbag subharness.

6.	Reconnect the battery negative cable.

7.	Erase the DTC memory.

8.	Read the DTC. Is DTC 33-3x indicated? YES - Go to 9. NO - Short to another wire in the left side curiain airbag inflator; 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 (16P) from the SRS unit. C

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

12.	Connect the SRS short canceller (070AZ-SAA0100) to No. 11 and No. 12 terminals of SRS unit connector C (16P).

13.

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

07XAZ-S1A0200SIDE CURTAIN AIRBAG
SUBHARNESS
2P CONNECTOR

Is the resistance as specified?

YES - Faulty SRS unit; replace the SRS unit.n

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