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Inspection Procedure

NOTE: When replacing the skid control ECU, perform the following operations:
  • Initialization of linear solenoid valve and calibration (see INITIALIZATION  )
  • Yaw rate and acceleration sensor zero point calibration (see CALIBRATION  )
  1. INSPECT CAN COMMUNICATION SYSTEM 
    1. Check if the CAN communication system DTC is output (See DIAGNOSTIC TROUBLE CODE CHART )

      Result 

      RESULT REFERENCE

      Result Proceed to
      DTC is not output A
      DTC is output B

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

    A: Go to next step 

  2. INSPECT BRAKE WARNING LIGHT / RED (MALFUNCTION) 
    1. Disconnect the skid control ECU connector.
    2. Turn the power switch ON (IG).
    3. Check if the brake warning light / red (malfunction) comes on

      OK: Brake warning light / red (malfunction) comes on. 

      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  )

      Result 

      RESULT REFERENCE

      Result Proceed to
      NG A
      OK B

    B: REPLACE SKID CONTROL ECU  (See REMOVAL  )

    A: Go to next step 

  3. INSPECT NO. 1 METER ECU 
    1. Perform the meter and gauge system active test (see DATA LIST / ACTIVE TEST ).

      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  ).

    NG: REPLACE NO. 1 METER ECU  (See DISASSEMBLY )

    OK: USE SIMULATION METHOD TO CHECK  (See HOW TO PROCEED WITH TROUBLESHOOTING )