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.

1. 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 Step 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.

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

1. Disconnect the left side curtain airbag 2P connector from the side curtain airbag subharness (A).

1. Connect the SRS inflator simulator (2 Ω connector) and simulator lead E to the side curtain airbag subharness.

1. Reconnect the battery negative cable.

1. Erase the DTC memory.

1. Read the DTC.

Is DTC 33-1x indicated?

YES | - | Go to Step 9 .
NO | - | Open or increased resistance in the left side curtain airbag; replace the left side curtain airbag. ■

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

1. Disconnect SRS unit connector C (16P) from the SRS unit. Do not disconnect the simulator lead from the side curtain airbag subharness.

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

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

Is the resistance as specified?

YES | - | Faulty SRS unit or poor contact at the SRS unit connector C (16P) and the SRS unit. Check the connection; if the connection is OK, replace the SRS unit. ■
NO | - | Open or increased resistance in the side curtain airbag subharness; replace the side curtain airbag subharness.■