DTC 11-4x: Open in the Driver's Airbag Second Inflator; DTC 11-5x: Increased Resistance in the Driver's Airbag Second Inflator
NOTE:
- 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 12 Volt 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.
- 1. Problem verification:
1. Clear the DTCs with the HDS .
2. Turn the vehicle to the ON mode, then wait for 10 seconds.
3. Check for DTCs with the HDS .
Is DTC 11-4x or 11-5x 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.
- 2. Driver's airbag inflator check:
1. Turn the vehicle to the OFF (LOCK) mode.
2. Disconnect the negative cable from the 12 volt battery, then wait at least 3 minutes.
3. Remove the access panel from the steering wheel .
4. Disconnect the following connector.
Driver's airbag inflator 4P connector (on the cable reel harness) 5. Connect terminals A and B with a jumper wire.
Terminal A Driver's airbag inflator 4P connector No. 3 (on the cable reel harness) Terminal B Driver's airbag inflator 4P connector No. 4 (on the cable reel harness) 6. Reconnect the negative cable to the 12 volt battery.
7. Clear the DTCs with the HDS .
8. Turn the vehicle to the ON mode, then wait for 10 seconds.
9. Check for DTCs with the HDS .
Is DTC 11-4x or 11-5x indicated?
YES
Go to step 3.
NO
Faulty driver's airbag second inflator; replace the driver's airbag , then clear the DTC.
- 3. Cable reel check:
1. Turn the vehicle to the OFF (LOCK) mode.
2. Disconnect the negative cable from the 12 volt battery, then wait at least 3 minutes.
3. Remove the jumper wire from the driver's airbag inflator 4P connector on the cable reel harness.
5. Disconnect cable reel connector B (4P) on the dashboard wire harness.
6. Connect terminals A and B with a jumper wire.
Terminal A Cable reel connector B (4P) No. 3 (on the dashboard wire harness) Terminal B Cable reel connector B (4P) No. 4 (on the dashboard wire harness) 7. Reconnect the negative cable to the 12 volt battery.
8. Clear the DTCs with the HDS .
9. Turn the vehicle to the ON mode, then wait for 10 seconds.
10. Check for DTCs with the HDS .
Is DTC 11-4x or 11-5x indicated?
YES
Go to step 4.
NO
Open in the cable reel; replace the cable reel , then clear the DTC.
- 4. Open wire check (LA2+, LA2- lines):
1. Turn the vehicle to the OFF (LOCK) mode.
2. Disconnect the negative cable from the 12 volt battery, then wait at least 3 minutes.
3. Remove the jumper wire from cable reel connector B (4P) on the dashboard wire harness.
4. Disconnect the following connector.
SRS unit connector A (39P) 5. Connect terminals A and B with a jumper wire.
Terminal A SRS unit connector A (39P) No. 4 Terminal B SRS unit connector A (39P) No. 5 6. Measure the resistance between test points 1 and 2.
Test condition Vehicle OFF (LOCK) mode Driver's airbag inflator 4P connector (on the cable reel harness): disconnected Cable reel connector B (4P) (on the dashboard wire harness): disconnected SRS unit connector A (39P): disconnected SRS unit connector A (39P) terminals No. 4 and No. 5: jumped Test point 1 Cable reel connector B (4P) No. 3 (on the dashboard wire harness) Test point 2 Cable reel connector B (4P) No. 4 (on the dashboard wire harness) Is there 1.0 Ω or less?
YES
The LA2+ and LA2- wires are OK. Faulty SRS unit or poor connection at SRS unit connector A (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 dashboard wire harness.
NO
Open in the dashboard wire harness; replace the dashboard wire harness, then clear the DTC.
