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DTC B0029-12

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DTC B0029-12  : Short to Power in the Right Side Curtain Airbag First Inflator

DTC Description DTC
B0029-12 Short to power in the right side curtain airbag first inflator  

DTC (SRS)

  1. Problem verification

    -1. Apply the parking brake.

    -2. Clear the DTCs with the HDS.

    -3. Turn the vehicle to the ON mode, then wait for 10 seconds.

    -4. Check for DTCs with the HDS.

    DTC Description DTC
    B0029-12 Short to power in the right side curtain airbag first inflator  

    Is DTC B0029-12 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. Right side curtain 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 headliner .

    -4. Disconnect the following connector.

    Right side curtain airbag inflator 2P connector (on the floor wire harness)

    -5. Reconnect the negative cable to the 12 volt battery.

    -6. Clear the DTCs with the HDS.

    -7. Turn the vehicle to the ON mode, then wait for 10 seconds.

    -8. Check for DTCs with the HDS.

    DTC Description DTC
    B0029-12 Short to power in the right side curtain airbag first inflator  

    Is DTC B0029-12 indicated?

    YES 

    Go to step 3.

    NO 

    Short to power in the right side curtain airbag inflator; replace the right side curtain airbag , then clear the DTC.

  3. Shorted wire check (RCA+, RCA- lines to power)

    -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. Disconnect the following connector.

    SRS unit connector B (57P)

    -4. Reconnect the negative cable to the 12 volt battery.

    -5. Turn the vehicle to the ON mode.

    -6. Measure the voltage between test points 1 and 2.

    Test condition Vehicle ON mode
    SRS unit connector B (57P): disconnected
    Right side curtain airbag inflator 2P connector (on the floor wire harness): disconnected
    Test point 1 SRS unit connector B (57P) No. 3
    Test point 2 Body ground
    Test point 1 SRS unit connector B (57P) No. 4
    Test point 2 Body ground

    Is there 0.2 V or less?

    YES 

    The RCA+ and RCA- wires are OK. Faulty SRS unit or poor connection at SRS unit connector B (57P) and the SRS unit. Check the connection; if the connection is OK, check for any authorized service information related to the DTCs or symptoms you are troubleshooting or 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.