SRS DTC Troubleshooting: 33-8x
DTC 33-8x (‘‘x'' can be 0 thru 9 or A thru F):
Short to Power 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 33-8x 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 left side curtain airbag harness.
  1. Reconnect the negative cable to the battery.
  1. Erase the DTC memory.
Is DTC 33-8x indicated?
YES -
Go to Step 9 .
NO -
Short to power 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. Reconnect the negative cable to the battery.
  1. Turn the ignition switch ON (II).
  1. Disconnect the SRS inflator simulator from the SRS simulator lead.
  1. Check for voltage between each terminal of the black SRS simulator lead (A) and body ground. There should be 0.5 V or less.
Is the voltage 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 power in the floor wire harness; replace the floor wire harness.■