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Home >> Nissan-Datsun >> 2021 >> Altima S >> Repair and Diagnosis >> Brakes >> Traction Control >> Brake Control System >> Basic Inspection >> Configuration [Abs Actuator And Electric Unit (Control Unit)] >> Work Procedure
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Work Procedure

NOTE:
  • After configuration, place the ignition switch from OFF to ON and check that the VDC warning lamp turns OFF after staying illuminated for approximately two seconds.
  • If an error occurs during configuration, start over from the beginning.
  1. CHECK TYPE ID (1) 

    SYMBOL CONSULT

    1. Select "ECU Identification" mode of "ABS".
    2. Write down "ECU PART NUMBER" displayed on the screen. This is the ABS actuator and electric unit (control unit) "Type ID".

    Is "Type ID" displayed?

    YES

    When replacing ABS actuator and electric unit (control unit): GO TO 3.

    YES

    When re-configuring existing ABS actuator and electric unit (control unit): GO TO 4.

    NO

    GO TO 2.

  2. CHECK TYPE ID (2) 
    1. Use FAST (service parts catalog) to search ABS actuator and electric unit (control unit) of the applicable vehicle and find "Type ID".
    2. Write down "Type ID".
    • When replacing ABS actuator and electric unit (control unit): GO TO 3.
    • When re-configuring existing ABS actuator and electric unit (control unit): GO TO 4.
  3. REPLACE ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) 

    Replace ABS actuator and electric unit (control unit). Refer to Removal and Installation  (PR25DD) or Removal and Installation  (KR20DDET).

    CAUTION: Do not perform the following work items at this time. These items must be performed after configuration is complete.
    • Air bleeding
    • Adjustment of steering angle sensor neutral position
    • Calibration of decel G sensor

    GO TO 4.

  4. WRITE CONFIGURATION 

    SYMBOL CONSULT

    1. Select "Manual Configuration".
    2. Select the "Type ID" in "ECU Identification" or FAST (service parts catalog) to write the "Type ID" into the ABS actuator and electric unit (control unit).

    GO TO 5.

  5. VERIFY TYPE ID 

    SYMBOL CONSULT

    Compare the "Type ID" written into the ABS actuator and electric unit (control unit) with the one found "ECU Identification" or FAST (service parts catalog) to confirm they match.

    Do Type IDs match?

    YES

    GO TO 6.

    NO

    GO TO 4.

  6. CHECK VDC WARNING LAMP 
    1. Ignition switch OFF.
    2. Ignition switch ON and check that the VDC warning lamp turns OFF after staying illuminated for approximately two seconds.
      NOTE: Do not start the engine.

    Is the inspection result normal?

    YES

    GO TO 7.

    NO

    Select "Self Diagnostic Result" mode of "ABS". Refer to Diagnosis Description .

  7. PERFORM SUPPLEMENTARY WORK 

    SYMBOL CONSULT

    1. Perform air bleeding. Refer to Air Bleeding .
    2. Perform adjustment of steering angle sensor neutral position. Refer to Work Procedure .
    3. Perform calibration of decel G sensor. Refer to Work Procedure .
    4. Select "Self Diagnostic Result" mode of all systems.
    5. Erase self-diagnosis results.

    Inspection End.