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Home >> Honda >> 2021 >> CR-V EX-L, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 61 (Supplemental Restraint System (SRS) - DTC Diagnostics (1 Of 2) (Hybrid)) >> DTC Troubleshooting >> DTC B0029-13

DTC B0029-13

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DTC B0029-13  : Open or Increased Resistance in the Right Side Curtain Airbag First Inflator

NOTE: 

DTC Description DTC
B0029-13 Open or increased resistance in the right side curtain airbag first inflator  

DTC (SRS)

  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.

    DTC Description DTC
    B0029-13 Open or increased resistance in the right side curtain airbag first inflator  

    Is DTC B0029-13 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. Connect terminals A and B with a jumper wire.

    Terminal A Right side curtain airbag inflator 2P connector (female terminals) No. 1 (on the floor wire harness):
    Terminal B Right side curtain airbag inflator 2P connector (female terminals) No. 2 (on the floor wire harness):
    GHH381412Courtesy of HONDA, U.S.A., INC.

    -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.

    DTC Description DTC
    B0029-13 Open or increased resistance in the right side curtain airbag first inflator  

    Is DTC B0029-13 indicated?

    YES 

    Go to step 3.

    NO 

    Open in the right side curtain airbag inflator; replace the right side curtain airbag , then clear the DTC.

  3. Open wire check (RCA+, RCA- 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 the right side curtain airbag inflator 2P connector on the floor wire harness.

    -4. Disconnect the following connector.

    SRS unit connector B (39P)

    -5. Connect terminals A and B with a jumper wire.

    Terminal A SRS unit connector B (39P) No. 7
    Terminal B SRS unit connector B (39P) No. 8

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

    Test condition Vehicle OFF (LOCK) mode
    Right side curtain airbag inflator 2P connector (on the floor wire harness): disconnected
    SRS unit connector B (39P): disconnected
    SRS unit connector B (39P) terminals No. 7 and No. 8: jumped
    Test point 1 Right side curtain airbag inflator 2P connector (female terminals) No. 1 (on the floor wire harness):
    Test point 2 Right side curtain airbag inflator 2P connector (female terminals) No. 2 (on the floor wire harness):
    GHH381415Courtesy of HONDA, U.S.A., INC.

    Is there 1.0 Ω or less?

    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, 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 

    Open in the floor wire harness; replace the floor wire harness, then clear the DTC.