SRS DTC Troubleshooting: 33-3x
DTC 33-3x (‘‘x'' can be 0 thru 9 or A thru F):
Short to Another Wire or Decreased Resistance in Left Side Curtain Airbag Inflator
Special Tools Required
  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 33-3x indicated?
YES -
Go to Step 3 .
NO -
Intermittent failure, the system is OK at this time. Go to Troubleshooting Intermittent Failures. If another DTC is indicated, go to the DTC Troubleshooting Index.
  1. Turn the ignition switch OFF. Disconnect the negative cable from the battery, and wait for 3 minutes.
  1. Remove the left side rear pillar trim, then disconnect the floor wire harness 2P connector (A) from the left side curtain airbag connector (B).
  1. Connect the SRS inflator simulator (2 Ω connector) and simulator lead L to the left side curtain airbag harness.
  1. Reconnect the negative cable to the battery.
  1. Erase the DTC memory.
Is DTC 33-3x indicated?
YES -
Go to Step 9 .
NO -
Short to another wire in the left side curtain airbag inflator; replace the left side curtain airbag. ■
  1. Turn the ignition switch OFF. Disconnect the negative cable from the battery, and wait for 3 minutes.
  1. Disconnect the SRS inflator simulator from the SRS simulator lead.
  1. Check resistance between the terminals of the black SRS simulator lead (A). There should be an open circuit or at least 1 MΩ.
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. ■
NO -
Short to another wire in the floor wire harness; replace the floor wire harness.■