METER / GAUGE SYSTEM ON-VEHICLE INSPECTION

PROCEDURE


  1. INSPECT COMBINATION METER ASSEMBLY


    1. Check speedometer operation

      Note


      • The combination meter assembly receives the vehicle speed signal from the brake booster with master cylinder assembly (skid control ECU) via CAN communication. Therefore, perform the following inspection referring to values on the Data List of the brake booster with master cylinder assembly (skid control ECU) because it is the source of the vehicle speed signal.

      • Data List values of the brake booster with master cylinder assembly (skid control ECU) are used for this inspection. Therefore, make sure to perform this inspection after confirming that DTCs are not output.

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


      1. Before starting the following inspection, check if electronically controlled brake system DTCs are output.

      2. Read the Data List according to the display on the GTS.


        Chassis > ABS/VSC/TRC > Data List
        Tester Display Measurement Item Range Normal Condition Diagnostic Note
        Vehicle Speed Maximum wheel speed sensor Min.: 0 km/h (0 mph), Max.: 326 km/h (202 mph) Vehicle stopped: 0 km/h (0 mph) When driving at constant speed: No large fluctuations

        Chassis > ABS/VSC/TRC > Data List
        Tester Display
        Vehicle Speed
        Reference km/h
        GTS Indication (km/h) Acceptable Range (km/h)
        20 21.2 to 25.2
        40 42.2 to 46.7
        60 63.5 to 68.0
        80 84.6 to 89.6
        100 105.8 to 110.8
        120 126.9 to 132.4
        140 147.9 to 153.9
        160 168.8 to 175.6
        180 189.6 to 197.2
        200 210.8 to 218.8
        220 231.8 to 240.2
        Reference mph
        GTS Indication (mph) Acceptable Range (mph)
        20 21.2 to 23.7
        40 42.6 to 45.1
        60 63.4 to 66.9
        80 84.3 to 88.3
        100 105.4 to 109.9
        120 126.5 to 131.4
        140 147.6 to 152.9

    2. Check LED illumination (LED check)


      1. Check the illumination function of the warning or indicator lights listed below when turning the power switch on (IG).

        OK
        Warning or Indicator Light Specified Condition
        Master warning light Warning light comes on for about 3 seconds after turning the power switch on (IG).
        Tire pressure warning light*1
        PCS OFF warning light*2
        SRS warning light Warning light comes on for about 6 seconds after turning the power switch on (IG).
        MIL (Check engine warning light) Warning light comes on when turning the power switch on (IG).
        EPS warning light
        Brake warning light / red (malfunction)

        • Warning or indicator light comes on for about 3 seconds after turning the power switch on (IG).

        • Warning or indicator light comes on when turning the power switch from off to on (READY) for 3 seconds, then goes off.
        Slip warning light
        ABS warning light
        Brake warning light / yellow (minor malfunction)
        VSC OFF indicator light

        • *1: w/ Tire Pressure Warning System

        • *2: w/ Pre-crash Safety System