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Inspection Procedure

  1. CONFIRM DTC OUTPUT (CAN COMMUNICATION SYSTEM) 
    1. Connect a Techstream to the DLC3.
    2. Turn the ignition switch on and turn the tester on.
    3. Check for DTCs and note any codes that are output (See DTC CHECK / CLEAR  ).
    4. Clear the DTC (See DTC CHECK / CLEAR  ).
    5. Recheck for DTC (See DTC CHECK / CLEAR  ).

      Result 

      RESULT DESCRIPTION

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

    B:  Go to DIAGNOSTIC TROUBLE CODE CHART 

    A: Go to Next Step 

  2. CONFIRM DTC OUTPUT (BRAKE CONTROL SYSTEM) 
    1. Connect a Techstream to the DLC3.
    2. Turn the ignition switch on and turn the tester on.
    3. Check for DTCs and note any codes that are output (See DTC CHECK / CLEAR  ).
    4. Clear the DTC (See DTC CHECK / CLEAR  ).
    5. Recheck for DTCs (See DTC CHECK / CLEAR  ).

      Result 

      RESULT DESCRIPTION

      Result Proceed to
      Brake control DTC is not output A
      Brake control DTC is output (Vehicle with ABS) B
      Brake control DTC is output (Vehicle with VSC) C

    B: Go to DIAGNOSTIC TROUBLE CODE CHART  (See HOW TO PROCEED WITH TROUBLESHOOTING )

    C: Go to DIAGNOSTIC TROUBLE CODE CHART  (See DIAGNOSTIC TROUBLE CODE CHART )

    A: Go to Next Step 

  3. PERFORM ACTIVE TEST USING TECHSTREAM (SPEED METER) 
    1. Connect a Techstream to the DLC3.
    2. Turn the ignition switch on and turn the tester on.
    3. Operate the Techstream according to the display and select "Active Test" (See DATA LIST / ACTIVE TEST  ).

      Body Electrical / Combination meter / Active Test: 

      BODY ELECTRICAL / COMBINATION METER / ACTIVE TEST

      Tester Display Test Part Control Range
      Speed Meter Operation 0 / 64 (40) /129 (80) /193 (120) km/h (mph) Value selected during Active Test is displayed

      OK: Vehicle speed displayed on the tester is approximately the same as that of the speedometer reading. 

    NG: REPLACE COMBINATION METER ASSEMBLY  (See REMOVAL  )

    OK: Go to Next Step 

  4. READ VALUE USING TECHSTREAM (SPEED METER) 
    1. Connect a Techstream to the DLC3.
    2. Turn the ignition switch on and the tester on.
    3. Operate the Techstream according to the display and select "Data List" (See DATA LIST / ACTIVE TEST  ).

      Body Electrical / Combination meter/ Data List: 

      BODY ELECTRICAL / COMBINATION METER/ DATA LIST

      Tester Dipslay Measurement Item/Range Normal Condition Diagnostic Note
      Vehicle Speed Meter Vehicle speed
      Min.: 0 (0)
      Max.: 255 (158)      		 Approximately same as actual vehicle speed (When driving) Unit: km/h (mph)

      OK: Vehicle speed displayed on the tester is approximately the same as the actual vehicle speed 

      NOTE: Determine whether the value displayed on the tester is within the acceptable range by referring to reference values described in "ON-VEHICLE INSPECTION" (See ON-VEHICLE INSPECTION  ).

    NG: Go to step 5 

    OK : USE SIMULATION METHOD TO CHECK  (See ELECTRONIC CIRCUIT INSPECTION PROCEDURE )

  5. REPLACE COMBINATION METER ASSEMBLY 
    1. Replace the combination meter assembly with a new or normal one (See REMOVAL  ).

      OK: The operation of the speedometer returns to normal. 

      Result 

      RESULT DESCRIPTION

      Result Proceed to
      OK A
      NG (Vehicle with ABS) B
      NG (Vehicle with VSC) C

    B : REPLACE BRAKE ACTUATOR (SKID CONTROL ECU)  (See REMOVAL )

    C : REPLACE ABS AND TRACTION ACTUATOR (SKID CONTROL ECU)  (See REMOVAL )

    A : END 

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