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Inspection Procedure

NOTE: When replacing the brake actuator assembly, perform zero point calibration (See CALIBRATION  ).
  1. CHECK CAN COMMUNICATION SYSTEM 
    1. Check if a CAN communication system DTC is output (See DTC CHECK/CLEAR  ).

      Result 

      RESULT REFERENCE

      Condition Proceed to
      CAN communication system DTC is not output A
      CAN communication system DTC is output B

    B: INSPECT CAN COMMUNICATION SYSTEM  (See HOW TO PROCEED WITH TROUBLESHOOTING )

    A: Go to Next Step 

  2. CHECK MULTIPLEX COMMUNICATION SYSTEM 
    1. Check if a multiplex communication system DTC is output (See DTC CHECK/CLEAR ).

      Result 

      RESULT REFERENCE

      Condition Proceed to
      Multiplex communication system DTC is not output A
      Multiplex communication system DTC is output B

    B: INSPECT MULTIPLEX COMMUNICATION SYSTEM  (See DTC CHECK/CLEAR )

    A: Go to Next Step 

  3. CHECK BRAKE WARNING LIGHT 
    1. Disconnect the skid control ECU connector.
    2. Turn the ignition switch to the ON position.
    3. Check that the BRAKE warning light comes on.

      OK: 

      The BRAKE warning light comes on. 

    4. Connect the connectors.

      HINT:

      If troubleshooting has been carried out according to the Problem Symptoms Table, refer back to the table and proceed to the next step before replacing the part (See PROBLEM SYMPTOMS TABLE  ).

    OK: REPLACE BRAKE ACTUATOR ASSEMBLY  (See REMOVAL  )

    NG: Go to Next Step 

  4. INSPECT COMBINATION METER ASSEMBLY 
    1. Turn the ignition switch off.
    2. Connect the intelligent tester to the DLC3.
    3. Perform Active Test of the combination meter (meter CPU) using the intelligent tester (See DATA LIST/ACTIVE TEST ).

      OK: 

      The BRAKE warning light blinks or off in accordance with the intelligent tester. 

      HINT:

      If troubleshooting has been carried out according to the Problem Symptoms Table, refer back to the table and proceed to the next step (See PROBLEM SYMPTOMS TABLE  ).

    NG: REPLACE COMBINATION METER ASSEMBLY  (See REMOVAL )

    OK: REPLACE BRAKE ACTUATOR ASSEMBLY  (See REMOVAL  )