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METER / GAUGE SYSTEM ON-VEHICLE INSPECTION

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  1. Click here

    INSPECT SPEEDOMETER


    1. Check the operation.

      Note:

      • The meter ECU receives the vehicle speed signal from the skid control ECU via CAN communication. Therefore, perform the following inspection referring to values on the Data List of the skid control ECU because it is the source of the vehicle speed signal.

      • The Data List values of the skid control ECU are used for this inspection. Therefore, make sure to perform the inspection after confirming that no DTCs are output from the brake control system.

      • If the tire size or tire pressure is not within the specified range, or the tires are excessively worn, the speedometer indication error will increase. Therefore, make sure to perform the inspection after checking that the tire size, tire pressure and tire wear are in the specified range.


      1. Before starting the following inspection, check if the Brake Control System outputs the DTCs.

      2. Check the values by referring to the table below.

        ABS/VSC/TRC
        Tester Display Measurement Item/Range Normal Condition Diagnostic Note
        Vehicle Speed Vehicle speed/Min.: 0 mph (0 km/ h), Max.: 326 km/h (203 mph) Vehicle stop: 0 km/h (0 mph) -
        Table 1. Reference: km/h
        Chassis Dynamometer Indication (km/h)

        Acceptable Range (km/h)

        Data in ( ) is for Reference
        20 (21.0 to 25.0)
        40 41.7 to 46.2
        60 62.7 to 67.2
        80 83.4 to 88.4
        100 104.3 to 109.3
        120 125.1 to 130.6
        140 145.8 to 151.8
        160 166.2 to 173.2
        180 186.9 to 194.5
        200 207.7 to 215.7
        220 228.4 to 236.8
        240 249.2 to 258.0
        Tip:

        If the indication is not as specified, go to Problem Symptoms Table (Click here).

  2. Click here

    INSPECT TACHOMETER


    1. Connect the intelligent tester, and start the engine.

    2. Compare the test results with the tachometer indications.

      Table 2. DC 13.5 V, at 25°C (77°F)
      Intelligent Tester Indication (rpm)

      Acceptable Range

      Data in ( ) is 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)
      Tip:

      If the indication is not as specified, go to Problem Symptoms Table (Click here).