LEMON Manuals: Even more car manuals for everyone
Home >> Toyota >> 2021 >> Mirai XLE >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Meter / Gauge System - Diagnostics - Introduction >> Meter / Gauge System >> Operation Check [11/2020 - ] >> Operation Check [11/2020 - ]

Operation Check [11/2020 - ]

  1. INSPECT COMBINATION METER ASSEMBLY 
    1. Check speedometer operation
      NOTE:
      • The combination meter assembly receives the vehicle speed signal from the skid control ECU assembly via CAN communication. Therefore, perform the following inspection referring to values on the Data List of the skid control ECU assembly because it is the source of the vehicle speed signal.
      • Data List values of the skid control ECU assembly are used for this inspection. Therefore, make sure to perform this inspection after confirming that DTCs are not output.
      1. Read the Data List according to the display on the GTS.

        Chassis > Brake/EPB > Data List 

        Tester Display Measurement Item Range Normal Condition Diagnostic Note
        Vehicle Speed Vehicle speed
        (Vehicle speed signal output to combination meter assembly)        		 Min.: 0.0 km/h (0 mph), Max.: 6553.5 km/h (4072 mph) Vehicle stopped: 0.0 km/h (0 mph) When driving at constant speed: No large fluctuations

        Chassis > Brake/EPB > Data List 

        Tester Display
        Vehicle Speed
        REFERENCE MPH

        GTS Indication (mph) Acceptable Range (mph)
        20 19.5 to 22.0
        40 39.9 to 42.9
        60 60.8 to 63.6
        80 81.3 to 84.5
        100 102.1 to 105.3
        120 122.8 to 126.0
        REFERENCE KM/H

        GTS Indication (km/h) Acceptable Range (km/h)
        20 18.7 to 22.7
        40 39.3 to 43.8
        60 60.0 to 64.5
        80 79.6 to 85.4
        100 101.2 to 106.2
        120 121.9 to 126.9
        140 142.6 to 147.6
        160 163.4 to 168.4
        180 184.1 to 189.1

        OK

        Speedometer reading is within the acceptable range at each vehicle speed.

    2. Check LED illumination (LED check)
      1. Check the illumination function of the warning or indicator lights listed below when turning the ignition switch ON.
        Indicator/Warning Light Switch Condition Specified Condition
        Brake warning light Ignition switch off → ON Comes on for 3 seconds
        Master warning light
        ABS warning light
        Slip indicator light
        VSC OFF indicator light
        PCS OFF warning light
        RCTA OFF indicator light
        Brake hold standby indicator light
        Brake hold operated indicator light
        Tire pressure warning light
        SRS warning light Ignition switch off → ON Comes on for 6 seconds
        Pop up hood warning light
        EPS warning light Ignition switch off → ON
        • Illuminates when ignition switch is turned ON
        • Turns off when engine started
        MIL (Malfunction indicator lamp)
scientia non olet · About LEMON Manuals