FUEL SUPPLY PUMP > INSPECTION

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1. INSPECT SUPPLY PUMP ASSEMBLY


    A200354E02
  1. Check the resistance of the fuel metering unit.
    Text in Illustration 
    *1
    Component without harness connected
    (Supply Pump Assembly)
    *2
    Fuel Metering Unit

    1. Measure the resistance according to the value(s) in the table below.

      Standard Resistance:
      Tester Connection
      Condition
      Specified Condition
      1 - 2
      20°C (68°F)
      2.6 to 3.15 Ω

      If the result is not as specified, replace the supply pump assembly.

  1. Check the resistance of the fuel temperature sensor.

    1. Measure the resistance according to the value(s) in the table below.

      Standard Resistance:
      Tester Connection
      Condition
      Specified Condition
      1 - 2
      -20°C (-4°F)
      13.92 to 17.01 Ω
      1 - 2
      0°C (32°F)
      5.31 to 6.49 Ω
      1 - 2
      20 °C (68°F)
      2.25 to 2.75 Ω
      1 - 2
      40°C (104°F)
      1.06 to 1.29 Ω
      1 - 2
      60°C (140°F)
      0.54 to 0.66 Ω
      1 - 2
      80 °C (176°F)
      0.29 to 0.36 Ω
      1 - 2
      100°C (212°F)
      0.17 to 0.20 Ω

      If the result is not as specified, replace the supply pump assembly.