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Home >> Honda >> 2021 >> CR-V EX, AWD >> Repair and Diagnosis >> Restraints >> Air Bag, SRS >> Supplemental Restraint System (SRS) - DTC Diagnostics (Except Hybrid) (B0070 - U3000) >> DTC Troubleshooting >> DTC B00DF-13

DTC B00DF-13

DTC B00DF-13  : Open in the Front Passenger's Airbag ON/OFF Switch

NOTE: 

DTC Description DTC
B00DF-13 Open in the front passenger's airbag ON/OFF switch  

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. Push and release the front passenger's airbag ON/OFF switch 5 times repeatedly.

    -4. Check for DTCs with the HDS.

    DTC Description DTC
    B00DF-13 Open in the front passenger's airbag ON/OFF switch  

    Is DTC B00DF-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. Front passenger's airbag ON/OFF switch check

    -1. Turn the vehicle to the OFF (LOCK) mode.

    -2. Disconnect the following connector.

    Front passenger's airbag ON/OFF switch 4P connector (on the dashboard wire harness)

    -3. Measure the resistance between test points 1 and 2.

    Test condition Vehicle OFF (LOCK) mode
    Front Passenger's airbag ON/OFF switch 4P connector (on the dashboard wire harness): disconnected
    Test point 1 Front passenger's airbag ON/OFF switch 4P connector (male terminals) No. 1:
    Test point 2 Front passenger's airbag ON/OFF switch 4P connector (male terminals) No. 4:
    GHH431523Courtesy of HONDA, U.S.A., INC.
    Position Resistance
    ON 3.11-3.80 kΩ
    OFF 0.68-0.83 kΩ

    Is the resistance as specified?

    YES 

    Go to step 3.

    NO 

    Faulty front passenger's airbag ON/OFF switch or poor connection at front passenger's airbag ON/OFF switch 4P connector and the front passenger's airbag ON/OFF switch. Check the connection; if the connection is OK, Replace the component , then clear the DTC.

  3. Shorted wire check (ACS, GND lines to power)

    -1. Turn the vehicle to the ON mode.

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

    Test condition Vehicle ON mode
    Front passenger's airbag ON/OFF switch 4P connector (on the dashboard wire harness): disconnected
    Test point 1 Front passenger's airbag ON/OFF switch 4P connector (female terminals) No. 1 (on the dashboard wire harness):
    Test point 2 Front passenger's airbag ON/OFF switch 4P connector (female terminals) No. 4 (on the dashboard wire harness):
    GHH431526Courtesy of HONDA, U.S.A., INC.

    Is there 0.2 V or less?

    YES 

    The ACS and GND wires are not shorted to power. Go to step 4.

    NO 

    Short to power in the dashboard wire harness; replace the dashboard wire harness, then clear the DTC.

  4. Open wire check (ACS line)

    -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 A (39P)

    -4. Measure the resistance between test points 1 and 2.

    Test condition Vehicle OFF (LOCK) mode
    Front passenger's airbag ON/OFF switch 4P connector (on the dashboard wire harness): disconnected
    SRS unit connector A (39P): disconnected
    Test point 1 SRS unit connector A (39P) No. 19
    Test point 2 Passenger's airbag ON/OFF switch 4P connector (female terminals) No. 4 (on the dashboard wire harness):
    GHH431528Courtesy of HONDA, U.S.A., INC.

    Is there 1.0 Ω or less?

    YES 

    The ACS wire is OK. Go to step 5.

    NO 

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

  5. Open wire check (GND line)

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

    Test condition Vehicle OFF (LOCK) mode
    Front passenger's airbag ON/OFF switch 4P connector (on the dashboard wire harness): disconnected
    SRS unit connector A (39P): disconnected
    Test point 1 Front passenger's airbag ON/OFF switch 4P connector (female terminals) No. 1 (on the dashboard wire harness):
    Test point 2 Body ground
    GHH431530Courtesy of HONDA, U.S.A., INC.

    Is there 1.0 Ω or less?

    YES 

    The GND wire is OK. Check for any authorized service information related to the DTCs or symptoms you are troubleshooting or replace the SRS unit .

    NO 

    Open in the dashboard wire harness; check for a poor ground at G503. If the ground is OK, replace the dashboard wire harness, then clear the DTC.