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DTC B12E3

DTC B12E3  : Electric Steering Lock High Level Failure of MTRCUT1

NOTE: 

DTC Description DTC
B12E3 Electric Steering Lock High Level Failure of MTRCUT1  

DTC (Keyless Access Power Control Unit)

  1. Problem verification

    -1. Clear the DTCs with the HDS.

    -2. Do this procedure ten times: Press the engine start/stop switch to select the OFF (LOCK), ACCESSORY, ON, and OFF (LOCK) mode.

    -3. Check for DTCs with the HDS.

    DTC Description DTC
    B12E3 Electric Steering Lock High Level Failure of MTRCUT1  

    Is DTC B12E3 indicated?

    YES 

    Go to step 2.

    NO 

    Intermittent failure, the system is OK at this time. Check for loose or poor connections.

  2. Open wire check (GND line)

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

    -2. Disconnect the following connector.

    Electric steering lock 12P connector

    -3. Check for continuity between test points 1 and 2.

    Test condition Vehicle OFF (LOCK) mode Electric steering lock 12P connector: disconnected
    Test point 1 Electric steering lock 12P connector (female terminals) No. 7:
    Test point 2 Body ground
    GHH429245Courtesy of HONDA, U.S.A., INC.

    Is there continuity?

    YES 

    The GND wire is OK. Go to step 3.

    NO 

    Repair an open or high resistance in the ground wire or poor ground (G401).

  3. Open wire check (MTR CUT1(CONT) line)

    -1. Disconnect the following connector.

    Body control module connector G (32P)

    -2. Check for continuity between test points 1 and 2.

    Test condition Vehicle OFF (LOCK) mode Electric steering lock 12P connector: disconnected Body control module connector G (32P): disconnected
    Test point 1 Electric steering lock 12P connector (female terminals) No. 2:
    Test point 2 Body control module connector G (32P) No. 6
    GHH429247Courtesy of HONDA, U.S.A., INC.

    Is there continuity?

    YES 

    The MTR CUT1(CONT) wire is OK. Replace the electric steering lock . If the DTC is still present, replace the body control module .

    NO 

    Repair an open or high resistance in the wire.