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On-Vehicle Inspection

  1. INSPECT SPEEDOMETER 
    1. Check operation.
      1. Using a speedometer tester (calibrated chassis dynamometer), check the speedometer indication according to the table below.
        REFERENCE: MPH (FOR U.S.A.)

        Chassis Dynamometer Indication (mph) Acceptable Range (mph)
        20 20.0 to 23.0
        40 40.0 to 43.5
        60 60.0 to 64.0
        80 80.0 to 84.5
        100 100.0 to 105.0
        120 120.0 to 125.5
        140 140.0 to 146.0
        REFERENCE: KM/H (EXCEPT FOR U.S.A.)

        Chassis Dynamometer Indication (km/h) Acceptable Range (km/h)
        Data in () is for Reference
        20 (17.5 to 21.5)
        40 38.0 to 42.0
        60 58.0 to 63.0
        80 78.0 to 84.0
        100 98.5 to 104.5
        120 119.0 to 125.0
        140 139.0 to 146.0
        160 159.0 to 167.0
        180 179.0 to 188.0
        200 199.0 to 209.0
        220 219.0 to 230.0
        240 239.0 to 251.0
        NOTE:

        Tire wear as well as over or under inflation will cause errors.

      2. Check the deviation of the speedometer from the acceptable range.

        Reference

        Less than 0.5 km/h (0.3 mph)

        HINT: 

        If the indication is not as specified, go to Problem Symptoms Table. Refer to PROBLEM SYMPTOMS TABLE .

  2. INSPECT TACHOMETER 
    1. Check the operation.
      1. Connect the Techstream to the DLC3.
      2. Start the engine.
      3. Operate the Techstream according to the display and select "Data List". Refer to DATA LIST / ACTIVE TEST .
        BODY ELECTRICAL / COMBINATION METER / DATA LIST

        Tester Display Measurement Item/Range Normal Condition Diagnostic Note
        Engine RPM Engine speed
        Min.: 0
        Max.: 12750        		 Approximately same as actual engine speed Unit: rpm
      4. Compare the engine speed displayed on the Techstream with the tachometer reading.
        REFERENCE

        Standard Indication (rpm) Acceptable Range (rpm)
        Data in () are for Reference
        700 630 to 770
        1000 (900 to 1100)
        2000 (1850 to 2150)
        3000 2800 to 3200
        4000 (3800 to 4200)
        5000 4800 to 5200
        6000 (5750 to 6250)
        7000 6700 to 7300
        8000 (7700 to 8300)
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