Fuel Pump Relay On-Vehicle Inspection

Engine. Lexus Is250, Is220D. Gse20 Ale20
4Gr-Fse Engine Control System. Lexus Is250, Is220D. Gse20 Ale20

  1. INSPECT FUEL PUMP RELAY (Marking: F/PMP)

Fuel Pump Relay -- On-Vehicle Inspection



1. INSPECT FUEL PUMP RELAY (Marking: F/PMP)


    Lexus Is250, Is220D. Gse20 Ale20.4Gr-Fse Engine Control System.Sfi System.Fuel Pump Relay  On-Vehicle Inspection
  1. Remove the No. 2 relay block cover.

  1. Remove the fuel pump from the engine room No. 2 junction block.

  1. Measure the fuel pump relay resistance.

    Standard resistance:
    Tester Condition
    Specified Condition
    1 - 2
    63 to 91 Ω
    3 - 5
    Blow 1 Ω
    3 - 5
    Below 10 kΩ or higher
    (when battery voltage is applied to terminals 1 and 2)
  1. Reinstall the fuel pump relay to the engine room No. 2 relay block.

  1. Reinstall the No. 2 junction block cover.