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Home >> Lexus >> 2015 >> GS 350 Base, AWD >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Meter / Gauge / Display - Diagnostics - Introduction (1 Of 2) >> Meter / Gauge System >> Operation Check [10/2015 - ] >> Operation Check [10/2015 - ]

Operation Check [10/2015 - ]

  1. INSPECT INDICATOR/WARNING LIGHT 
    1. Check the following indicators and warning lights.
      Indicator/Warning Light Switch Condition Specified Condition
      Master warning light Engine switch off → on (IG) Comes on for 3 seconds
      Brake warning light
      ABS warning light
      PCS warning light*1
      Slip indicator light
      VSC OFF indicator light
      Tire pressure warning light
      Automatic high beam indicator light
      BSM indicator light*2
      AFS OFF indicator light*3
      ECO drive indicator light
      Brake hold indicator light
      Brake hold warning light
      SRS warning light Engine switch off → on (IG) Comes on for 6 seconds
      MIL Engine switch off → on (IG)
      • Illuminates when engine switch turned on
      • Turns off when engine started
      Charge warning light*4
      EPS warning light

      *1: w/ Pre-crash Safety System*2: w/ Blind Spot Monitor System*3: w/ AFS (Adaptive Front-lighting System)*4: for Sport Package

  2. INSPECT SPEEDOMETER 
    1. Connect the Techstream to the DLC3.
    2. Turn the engine switch on (IG).
    3. Turn the Techstream on.
    4. Enter the following menus: Powertrain / Engine and ECT / Data List.
      FOR U.S.A.

      Standard Indication Acceptable Range
      20 mph 19.3 to 21.8 mph
      40 mph 39.6 to 42.4 mph
      60 mph 60.2 to 63 mph
      80 mph 80.5 to 83.7 mph
      100 mph 101 to 104.2 mph
      120 mph 121.5 to 124.7 mph
      140 mph 142 to 145.2 mph
      160 mph* 162.6 to 165.8 mph
      180 mph* 183.1 to 186.3 mph

      *: for Sports Package

      FOR CANADA

      Standard Indication Acceptable Range
      20 km/h 18.5 to 22.5 km/h
      40 km/h 38.8 to 43.3 km/h
      60 km/h 59.4 to 63.9 km/h
      80 km/h 79.6 to 84.6 km/h
      100 km/h 100.1 to 105.1 km/h
      120 km/h 120.6 to 125.6 km/h
      140 km/h 141.1 to 146.1 km/h
      160 km/h 161.7 to 166.7 km/h
      180 km/h 182.2 to 187.2 km/h
      200 km/h 202.7 to 207.7 km/h
      220 km/h 223.2 to 228.2 km/h
      240 km/h 243.7 to 248.7 km/h
      260 km/h* 264.3 to 269.3 km/h

      *: for Sports Package

      If the result is not as specified, the speedometer may have a malfunction.

      NOTE:

      Do not use worn, underinflated or overinflated tires as the speedometer reading will be inaccurate.

    5. Check the deflection width of the speedometer indicator.

      Reference

      Within 0.3°

  3. INSPECT TACHOMETER 
    1. Connect a tune-up tachometer and start the engine.
    2. Compare the test results with the tachometer indicator.

      DC 13.5 V at 25°C (77°F)

      Standard 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)

      If the result is not as specified, the tachometer may have a malfunction.

  4. INSPECT METER/GAUGE 
    1. Connect the Techstream to the DLC3.
    2. Perform the Active Test (Refer to DATA LIST / ACTIVE TEST [10/2015 - ] ).

      OK

      Each meter/gauge needle indication is normal.

  5. INSPECT WARNING/INDICATOR LIGHT 
    1. Connect the Techstream to the DLC3.
    2. Perform the Active Test (Refer to DATA LIST / ACTIVE TEST [10/2015 - ] ).

      OK

      Each warning/indicator light can be turned on and off using the Techstream.

  6. INSPECT MULTI-INFORMATION DISPLAY 
    1. Connect the Techstream to the DLC3.
    2. Perform the Active Test (Refer to DATA LIST / ACTIVE TEST [10/2015 - ] ).

      OK

      All dots in the multi-information display can be turned on and off using the Techstream.