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Home >> Nissan-Datsun >> 2006 >> Murano SL, AWD >> Repair and Diagnosis >> Brakes >> Traction Control >> Brake Control System >> VDC/TCS/Abs >> Trouble Diagnosis For System >> Yaw Rate/Side/Decel G Sensor >> Inspection Procedure
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Inspection Procedure

  1. CHECK SELF-DIAGNOSTIC RESULTS 

    With CONSULT-II 

    1. Turn ignition switch "ON". (Do not start engine.)
    2. Select "SELF-DIAG RESULTS" mode for "ABS" with CONSULT-II.
    3. Touch "ERASE".
    4. Turn ignition switch "OFF" and wait at least 10 seconds.
    5. Check the self-diagnostic results.
    RESULT CHART

    Self-diagnostic results
    YAW RATE SENSOR
    SIDE G-SEN CIRCUIT
    G-SENSOR
    CAUTION: When on a turntable, such as at a parking structure entrance, or when on a moving object with engine running, the VDC OFF indicator lamp might turn on and self-diagnosis using the CONSULT-II yaw rate sensor system malfunction might be displayed, but in this case there is no malfunction with yaw rate/ side/decel G sensor circuit. As soon as the vehicle leaves the turntable or moving object, restart engine to return the system to normal. And after doing spin turns or acceleration turns with VDC "OFF" (VDC OFF switch "ON"), too, the results will return to a normal state by restarting vehicle.

    Is above displayed in the self-diagnosis display? 

    YES: GO TO 2.

    NO: INSPECTION END

  2. CHECK CONNECTOR 
    1. Turn ignition switch "OFF".
    2. Disconnect yaw rate/side/decel G sensor connector M61 and ABS actuator and electric unit (control unit) connector E24 and check terminals for deformation, disconnection, looseness, and so on. If there is an error, repair or replace terminal.
    3. Reconnect connectors and then perform the self-diagnosis.

    OK or NG 

    OK: INSPECTION END 

    NG: GO TO 3.

  3. CHECK YAW RATE/SIDE DECEL G SENSOR HARNESS 
    1. Turn ignition switch "OFF".
    2. Disconnect yaw rate/side/decel G sensor connector M61 and ABS actuator and electric unit (control unit) connector E24.
    3. Check continuity between ABS actuator and electric unit (control unit) vehicle side connector and yaw rate/side/decel G sensor vehicle side connector.

      6 - 3: Continuity should exist. 

      25 - 1: Continuity should exist. 

      29 - 2: Continuity should exist. 

      24 - 5: Continuity should exist. 

      Fig 1: Checking Continuity Between ABS Actuator And Electric Unit Vehicle Side Connector
      G04217583Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

    OK: GO TO 4.

    NG: If open or short in harness, repair or replace harness.

  4. CHECK YAW RATE/SIDE DECEL G SENSOR 

    With CONSULT-II 

    1. Turn ignition switch "ON". (Do not start engine.)
    2. Select "DATA MONITOR" mode for "VDC" with CONSULT-II.
    3. Check "DATA MONITOR" for yaw rate/side decel G sensor. Make sure that results are normal.
    DATA MONITOR VEHICLE STATUS REFERENCE

    Vehicle status Yaw rate sensor (Data monitor standard) Side G sensor (Data monitor standard) Decel G sensor (Data monitor standard)
    When stopped -4 to +4°/s -1.1 to +1.1 m/s2 -0.11 to +0.11 G
    Right turn Negative value Negative value -
    Left turn Positive value Positive value -
    Speed up - - Negative value
    Speed down - - Positive value

    OK or NG 

    OK: Perform ABS actuator and electric unit (control unit) self diagnosis again.

    NG: Replace the malfunctioning yaw rate sensor/side/decel G sensor, and then perform ABS actuator and electric unit (control unit) self-diagnosis again.

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