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On-Vehicle Inspection [04/2018 - ]: Procedure

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  1. INSPECT COMBINATION METER ASSEMBLY 
    1. Inspect speedometer operation
      NOTE:
      • The combination meter assembly receives the vehicle speed signal from the skid control ECU (brake booster with master cylinder assembly) via CAN communication. Therefore, perform the following inspection referring to values on the Data List of the skid control ECU (brake booster with master cylinder assembly) because it is the source of the vehicle speed signal.
      • Data List values of the skid control ECU (brake booster with master cylinder assembly) 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. Warm up the engine.
      2. Connect the Techstream to the DLC3.
      3. Turn the power switch on (IG).
      4. Turn the Techstream on.
      5. Enter the following menus: Chassis / ABS/VSC/TRAC / Data List.
      6. Read the Data List according to the display on the Techstream.
        REFERENCE MPH

        Techstream Indication (mph) Acceptable Range (mph)
        20 19.2 to 21.7
        40 39.4 to 42.2
        60 59.8 to 62.6
        80 80.0 to 83.2
        100 100.5 to 103.7
        120 120.9 to 124.1
        140 141.3 to 144.5

        OK

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

        Chassis > ABS/VSC/TRAC > Data List 

        Tester Display Measurement Item Range Normal Condition Diagnostic Note
        Vehicle Speed Maximum wheel speed sensor Min.: 0 km/h (0 mph), Max.: 326.4 km/h (203 mph) Vehicle stopped: 0 km/h (0 mph) When driving at constant speed: No large fluctuations

        Chassis > ABS/VSC/TRAC > Data List 

        Tester Display
        Vehicle Speed
    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
        Brake warning light / red (malfunction) Warning or indicator light comes on for about 3 seconds after turning the power switch on (IG).
        Slip indicator light
        VSC OFF indicator light
        ABS warning light
        Tire pressure warning light
        Master warning light
        ICS OFF indicator light*
        Brake warning light / yellow (minor malfunction)
        Brake hold standby indicator light
        Brake hold operated indicator light
        PCS warning light
        SRS warning light Warning light comes on for about 6 seconds after turning the power switch on (IG).
        EPS warning light When the power switch is turned on (IG), warning light (red) illuminates for 2 seconds and then the warning light (yellow) illuminates.
        MIL (Check engine warning light) Warning light comes on when the power switch is turned on (IG).
        1. *: w/ Intelligent Clearance Sonar System
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