Meter / Gauge System On-Vehicle Inspection

Vehicle Interior. Corolla. Zre142 Aze141
Meter Gauge Display. Corolla. Zre142 Aze141

  1. INSPECT SPEEDOMETER

  2. INSPECT TACHOMETER

Meter / Gauge System -- 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 (for U.S.A.)
      Chassis Dynamometer Indication (mph)
      Acceptable Range (mph)
      20
      20.0 to 23.0
      40
      40.0 to 43.5
      60
      60.0 to 64.0
      80
      80.0 to 84.5
      100
      100.0 to 105.0
      120
      120.0 to 125.5
      140
      140.0 to 146.0

      Reference: km/h (except for U.S.A.)
      Chassis Dynamometer Indication (km/h)
      Acceptable range (km/h)
      Data in ( ) is for reference
      20
      (17.5 to 21.5)
      40
      38.0 to 42.0
      60
      58.0 to 63.0
      80
      78.0 to 84.0
      100
      98.5 to 104.5
      120
      119.0 to 125.0
      140
      139.0 to 146.0
      160
      159.0 to 167.0
      180
      179.0 to 188.0
      200
      199.0 to 209.0
      220
      219.0 to 230.0
      240
      239.0 to 251.0

      NOTICE:
      Tire wear as well as over or under inflation will cause errors.
    2. Check the deviation of the speedometer indication from the acceptable range.

      Reference:
      Less than 0.5 km/h (0.3 mph)
      HINT:
      If the indication is not as specified, go to Problem Symptoms Table (COROLLA_ZRE142 RM0000012GB08RX.html).


2. INSPECT TACHOMETER
  1. Connect the Techstream, and start the engine.

  1. Compare the test results with the tachometer indications.

    DC 13.5 V, at 25°C (77°F)
    Techstream Indication (rpm)
    Acceptable Range (rpm)
    Data in ( ) is for Reference
    700
    630 to 770
    1,000
    (900 to 1100)
    2,000
    (1850 to 2150)
    3,000
    2800 to 3200
    4,000
    (3800 to 4200)
    5,000
    4800 to 5200
    6,000
    (5750 to 6250)
    7,000
    6700 to 7300
    8,000
    (7700 to 8300)

    HINT:
    If the indication is not as specified, go to Problem Symptoms Table (COROLLA_ZRE142 RM0000012GB08RX.html).