Fuel Pump: Inspection

2009 Scion xD AutomaticSECTION Inspection
Fig 1: Identifying Fuel Pump Connection
G05399476Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  1. INSPECT FUEL PUMP 
    1. Check the resistance of the fuel pump.
      1. Measure the resistance according to the value(s) in the table below.

        Standard resistance 

        RESISTANCE REFERENCE

        Tester Connection Condition Specified Condition
        1 - 2 20°C (68°F) 0.2 to 3.0 Ω
    2. Inspect the operation of the fuel pump.
      1. Connect the positive (+) battery lead to terminal 1 of the connector, and the negative (-) lead to terminal 2. Check that the fuel pump operates.
        NOTE:
        • These tests must be performed within 10 seconds of connecting the battery to prevent the coil from burning out.
        • Keep the fuel pump as far away from the battery as possible.
        • Turn the voltage on and off on the battery side, not the fuel pump side.
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.