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Home >> Lexus >> 2006 >> IS 250 RWD, Automatic >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Gauges & Instrument Panels >> Meter >> Meter / Gauge System >> On-Vehicle Inspection

On-Vehicle Inspection

  1. INSPECT SPEEDOMETER 
    1. Check the operation.
    1. Using a speedometer tester (calibrated chassis dynamometer), check the speedometer indication according to the table below.

      Reference: mph (U.S.A.) 

      CHASSIS DYNAMOMETER INDICATION REFERENCE

      Chassis dynamometer indication Acceptable range
      20 mph 20.0 to 23.0 mph
      40 mph 40.0 to 43.5 mph
      60 mph 60.0 to 64.0 mph
      80 mph 80.0 to 84.5 mph
      100 mph 100.0 to 105.0 mph
      120 mph 120.0 to 125.5 mph
      140 mph 140.0 to 146.0 mph

      Reference: km/h (Canada) 

      CHASSIS DYNAMOMETER INDICATION REFERENCE

      Chassis dynamometer indication Acceptable range Data in ( ) is for reference
      20 km/h (17.5 to 21.5 km/h)
      40 km/h 38.0 to 42.0 km/h
      60 km/h 58.0 to 63.0 km/h
      80 km/h 78.0 to 84.0 km/h
      100 km/h 98.5 to 104.5 km/h
      120 km/h 119.0 to 125.0 km/h
      140 km/h 139.0 to 146.0 km/h
      160 km/h 159.0 to 167.0 km/h
      180 km/h 179.0 to 188.0 km/h
      200 km/h 199.0 to 209.0 km/h
      220 km/h 219.0 to 230.0 km/h
      240 km/h 239.0 to 251.0 km/h
      NOTE: Tire wear as well as over or under inflation will cause errors.
    2. Check the deviation from the acceptable range of the speedometer indication.

      Reference: 

      Less than 0.5 km/h (0.3 mph) 

    HINT:

    If the indication is not as specified, go to PROBLEM SYMPTOMS TABLE  .

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

    DC 13.5 V, at 25°C (77°F) 

    CHASSIS DYNAMOMETER INDICATION REFERENCE

    Chassis dynamometer indication (rpm) Acceptable range Data in ( ) is for reference
    700 630 to 770
    1,000 (900 to 1,100)
    2,000 (1,850 to 2,150)
    3,000 2,800 to 3,200
    4,000 (3,800 to 4,200)
    5,000 4,800 to 5,200
    6,000 (5,750 to 6,250)
    7,000 6,700 to 7,300
    8,000 (7,700 to 8,300)

    HINT:

    If the indication is not as specified, go to the PROBLEM SYMPTOMS TABLE  .

  3. INSPECT ENGINE OIL PRESSURE SWITCH 
    1. Disconnect the connector from the engine oil pressure switch.
    2. Engine switch on (IG).
    3. Ground the terminal of the wire harness side connector, then check the low oil pressure warning light.

      OK: 

      Oil pressure warning light comes on. 

      HINT:

      If the warning message is not displayed, go to the PROBLEM SYMPTOMS TABLE  .

  4. INSPECT ENGINE OIL LEVEL SENSOR 
    1. Disconnect the engine oil level sensor connector.
    2. Engine switch on (IG), and check the multi-information display.

      OK: 

      "LOW ENGINE OIL LEVEL" message is displayed. 

      HINT:

      If the warning message is not displayed, go to the PROBLEM SYMPTOMS TABLE  .

  5. INSPECT MULTI-INFORMATION DISPLAY 
    1. Engine switch off.
    2. Press the "DISP" button and hold it down.
    3. Engine switch on (IG).
      Fig 1: Display - Multi-Information
      G04050012Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      OK: 

      All the dots in the multi-information display come on. 

      HINT:

      This test is also available on DATA LIST / ACTIVE TEST  .

    4. Engine switch off to finish this test mode.

    HINT:

    If the result is not as specified, replace the combination meter assembly.