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Speedometer Malfunction: Procedure

  1. CHECK CAN COMMUNICATION SYSTEM 
    1. Check if CAN communication DTC is output. Refer to DIAGNOSIS SYSTEM .

      Result

      Result Proceed to
      CAN communication DTC is not output. A
      CAN communication DTC is output. B. Refer to DIAGNOSTIC TROUBLE CODE CHART

    B → GO TO CAN COMMUNICATION SYSTEM 

    A: Go to next step 

  2. PERFORM ACTIVE TEST USING TECHSTREAM 
    1. Connect Techstream to the DLC3.
    2. Ignition switch on (IG).
    3. Turn Techstream on.
    4. Enter the following menus: Body Electrical / Combination Meter / Active Test.
    5. Check the operation by referring to the values in the table below.
      COMBINATION METER:

      Tester Display Test Part Control Range Diagnostic Note
      Speed Meter Operation Speedometer 0, 40, 80, 120 mph (*1) -
      0, 40, 80, 120, 160, 200, 240 km/h (*2)

      *1: for U.S.A.

      *2: except for U.S.A.

      OK

      Needle indication is normal.

    NG → REPLACE COMBINATION METER ASSEMBLY 

    OK: Go to next step 

  3. READ VALUE USING TECHSTREAM 
    1. Connect Techstream to the DLC3.
    2. Ignition switch on (IG).
    3. Turn Techstream on.
    4. Enter the following menus: Body Electrical / Combination Meter / Data List.
    5. Check the values by referring to the values in the table below.
      COMBINATION METER:

      Tester Display Measurement Item/Range Normal Condition Diagnostic Note
      Vehicle Speed Meter Vehicle speed/Min.: 0 km/h (0 mph), Max.: 255 km/h (158 mph) Almost same as actual speed (When driving) -

      OK

      Vehicle speed displayed on Techstream is almost the same as the actual vehicle speed measured using a speedometer tester (calibrated chassis dynamometer).

    NG → See step   4 

    OK → REPLACE COMBINATION METER ASSEMBLY 

  4. READ VALUE USING TECHSTREAM 
    1. Connect Techstream to the DLC3.
    2. Ignition switch on (IG).
    3. Turn Techstream on.
    4. Enter the following menus: Chassis / ABS/VSC/TRAC / Data List.
    5. Check the values by referring to the table below.
      ABS/VSC/TRAC:

      Tester Display Measurement Item/Range Normal Condition Diagnostic Note
      FR Wheel Speed Vehicle speed/Min.: 0 km/h (0 mph), Max.: 326 km/h (202 mph) Almost same as actual vehicle speed (When driving) -
      FL Wheel Speed Vehicle speed/Min.: 0 km/h (0 mph), Max.: 326 km/h (202 mph) Almost same as actual vehicle speed (When driving) -
      RR Wheel Speed Vehicle speed/Min.: 0 km/h (0 mph), Max.: 326 km/h (202 mph) Almost same as actual vehicle speed (When driving) -
      RL Wheel Speed Vehicle speed/Min.: 0 km/h (0 mph), Max.: 326 km/h (202 mph) Almost same as actual vehicle speed (When driving) -

      OK

      Vehicle speed displayed on Techstream is almost the same as the actual vehicle speed measured using a speedometer tester (calibrated chassis dynamometer).

    NG → GO TO BRAKE CONTROL SYSTEM 

    OK: Go to next step 

  5. REPLACE SKID CONTROL ECU 
    1. Replace the skid control ECU to a new or a normal one.

      OK

      The operation of the speedometer returns to normal.

    NG → REPLACE COMBINATION METER ASSEMBLY 

    OK → END 

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