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Home >> Lexus >> 2007 >> LX 470 >> Repair and Diagnosis >> Engine Performance >> Engine Control System (2UZ-FE) >> Fuel Pump Relay >> On-Vehicle Inspection
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On-Vehicle Inspection

  1. REMOVE FUEL PUMP RELAY (Marking: F/PUMP) 
    1. Remove the engine room relay block cover.
    2. Remove the relay from the engine room relay block.
  2. CHECK FUEL PUMP RELAY 
    1. Measure the resistance of the relay.

      Standard resistance 

      RESISTANCE SPECIFICATION

      Tester Connection Specified Condition
      3 - 4 Below 1 Ω
      3 - 5 10 kΩ or higher
      3 - 4 10 kΩ or higher (when battery voltage is applied to terminals 1 and 2)
      3 - 5 Below 1 Ω (when battery voltage is applied to terminals 1 and 2)

      If the result is not as specified, replace the relay.

  3. INSTALL FUEL PUMP RELAY 
    Fig 1: Checking Fuel Pump Relay
    G04975259Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002