SRS DTC 33-8x
DTC 33-8x ("x" can be 0 thru 9 or A thru F) : Short to Power in the Left Side Curtain Airbag Inflator
Special Tools Required
SRS Inflator Simulator 07SAZ-TB4011A
SRS Simulator Lead L 070AZ-SNAA300
- Before doing this troubleshooting procedure, find out if the vehicle was in a collision. If so, verify that all the required components were replaced with new components, of the correct part number, and that they were properly installed .
- Before doing this troubleshooting procedure, review SRS Precautions and Procedures , General Troubleshooting Information , and Battery Terminal Disconnection and Reconnection .
- Before replacing the SRS unit, check the SRS unit software version with the HDS. If the software version is not the latest, update the SRS unit software , and retest.
| DTC Description | DTC |
|---|---|
DTC (SRS)
- Problem verification
-1. Clear the DTCs with the HDS .
-2. Press the engine start/stop button to select the ON mode, then wait for 10 seconds.
-3. Check for DTCs with the HDS .
DTC Description DTC Is DTC 33-8x indicated?
YES
The failure is duplicated. Go to step 2.
NO
Intermittent failure, the system is OK at this time. Go to Troubleshooting Intermittent Failures . If another DTC is indicated, troubleshoot the DTC.
- Left side curtain airbag inflator check
-1. Press the engine start/stop button to select the OFF mode.
-2. Disconnect the negative cable from the battery, then wait at least 3 minutes.
-3. Remove the left side C-pillar trim .
-4. Disconnect the left side curtain airbag inflator 2P connector (A) on the floor wire harness.
-5. Connect the terminals of SRS simulator lead L to the SRS inflator simulator (2 Ω connectors), then connect SRS simulator lead L to the left side curtain airbag inflator 2P connector on the floor wire harness.
-6. Reconnect the negative cable to the battery.
-7. Clear the DTCs with the HDS .
-8. Press the engine start/stop button to select the ON mode, then wait for 10 seconds.
-9. Check for DTCs with the HDS .
DTC Description DTC Is DTC 33-8x indicated?
YES
Go to step 3.
NO
Short to power in the left side curtain airbag inflator; replace the left side curtain airbag , then clear the DTC.
- Shorted wire check (LCA+, LCA- lines to power)
-1. Press the engine start/stop button to select the OFF mode.
-2. Disconnect the negative cable from the battery, then wait at least 3 minutes.
-3. Disconnect the following connector.
SRS unit connector B (39P) -4. Disconnect the SRS inflator simulator from SRS simulator lead L. Do not disconnect SRS simulator lead L from the left side curtain airbag inflator 2P connector on the floor wire harness.
-5. Reconnect the negative cable to the battery.
-6. Press the engine start/stop button to select the ON mode.
-7. Measure the voltage between test points 1 and 2.
Test condition ON mode Left side curtain airbag inflator 2P connector (on the floor wire harness): disconnected SRS unit connector B (39P): disconnected Left side curtain airbag inflator 2P connector (on the floor wire harness): connected to SRS simulator lead L Test circuit LCA+, LCA- Test point 1 SRS simulator lead L black terminal Test point 2 Body ground Is there 0.2 V or less?
YES
The LCA+ and LCA- wires are OK. Faulty SRS unit or poor connection at SRS unit connector B (39P) and the SRS unit. Check the connection; if the connection is OK, replace the SRS unit . If the DTC does not clear, replace the floor wire harness.
NO
Short to power in the floor wire harness; replace the floor wire harness, then clear the DTC.