SRS DTC 34-3x
DTC 34-3x ("x" can be 0 thru 9 or A thru F) : Short to Another Wire or Decreased Resistance in the Right Side Curtain Airbag Inflator
Special Tools Required
SRS Inflator Simulator 07SAZ-TB4011A
SRS Simulator Lead L 070AZ-SNAA300
SRS Short Canceller 070AZ-SAA0100
- 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 34-3x 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.
- Right 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 right side C-pillar trim .
-4. Disconnect the right 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 right 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 34-3x indicated?
YES
Go to step 3.
NO
Short to another wire in the right side curtain airbag inflator; replace the right side curtain airbag , then clear the DTC.
- Shorted wire check (RCA+ line to RCA- line)
-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 right side curtain airbag inflator 2P connector on the floor wire harness.
-5. Connect the SRS short canceller to SRS unit connector B (39P) terminals No. 11 and No. 12 .
-6. Measure the resistance of the test point.
Test condition OFF mode Right side curtain airbag inflator 2P connector (on the floor wire harness): disconnected SRS unit connector B (39P): disconnected Right side curtain airbag inflator 2P connector (on the floor wire harness): connected to SRS simulator lead L SRS unit connector B (39P) No. 11 and No. 12: connected to SRS short canceller Test circuit RCA+, RCA- Test point SRS simulator lead L black terminal Is there an open circuit, or at least 1 MΩ?
YES
The RCA+ and RCA- 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 another wire in the floor wire harness; replace the floor wire harness, then clear the DTC.