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Nissan Sentra B18 (2020-2025) Service Manual: Calibration of Decel G Sensor

Description

Description

CAUTION:

Always perform the decel G sensor calibration before driving when the following operation is performed:

Note:

Yaw rate/side/decel G sensor calibration is performed when performing the decel G sensor calibration.

×: Required —: Not required

Procedure

Decel G sensor calibration

Removing/installing ABS actuator and electric unit (control unit)

—

Replacing ABS actuator and electric unit (control unit)

×

Removing/installing steering components

—

Replacing steering components

—

Removing/installing suspension components

—

Replacing suspension components

—

Removing/installing tire

—

Replacing tire

—

Tire rotation

—

Adjusting wheel alignment

—

Work Procedure

Work Procedure

DECEL G SENSOR CALIBRATION

CAUTION:

Always use CONSULT for the decel G sensor calibration. (It cannot be adjusted other than with CONSULT.)

Note:

Yaw rate/side/decel G sensor calibration is performed when performing the decel G sensor calibration.

  1. CHECK THE Nissan Sentra Vehicle STATUS

      1. Steer the steering wheel to the straight-ahead position. Stop the Nissan Sentra vehicle on a level surface.

      2. Stop the engine.

      3. Ignition switch OFF.

    Is the Nissan Sentra vehicle stopped in the straight-ahead position on a level surface?

    YES >>

    GO TO 2.

    NO >>

    Steer the steering wheel to the straight-ahead position. Stop the Nissan Sentra vehicle on a level surface.

  2. PERFORM DECEL G SENSOR CALIBRATION

    1. CAUTION:

      • Never allow passenger or load on the Nissan Sentra vehicle.

      • Never apply vibration to the vehicle body when opening or closing door during calibration.

      CONSULT

      1. Ignition switch ON.

        CAUTION:

        Never start engine.

      2. Select “ABS”, “Work Support” and “DECEL G SEN CALIBRATION” in this order.

      3. Select “Start”.

      4. After approx. 10 seconds, select “End”.

      5. Ignition switch OFF → ON.

        CAUTION:

        Be sure to perform the operation above.

    >>

    GO TO 3.

  3. CHECK DATA MONITOR

    1. CONSULT

      1. Drive the Nissan Sentra vehicle. Steer the steering wheel to the straight-ahead position. Stop the vehicle on a level surface.

      2. Select “ABS”, “Data Monitor”, “ECU INPUT SIGNALS” and “DECEL G SENSOR” in this order. Check that the signal is within the specified value.

        DECEL G SENSOR

        : Approx. ± 0.01 G

    Is the inspection result normal?

    YES >>

    GO TO 4.

    NO >>

    GO TO 1.

  4. ERASE SELF DIAGNOSTIC RESULT MEMORY

    1. CONSULT

      Erase “Self Diagnostic Result” mode of “ABS”.

    Are the memories erased?

    YES >>

    Inspection End.

    NO >>

    Check the items indicated by the “Self Diagnostic Result”.

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