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Home >> Lexus >> 2006 >> LX 470 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (2UZ-FE) - System And CIRUIT Testing, On-Vehicle Inspection, Removal, Inspection And Installation >> Fuel Pump Relay >> On-Vehicle Inspection

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 

    TESTER CONNECTION SPECIFIED CONDITION

    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: Identifying Fuel Pump Relay
    G04061683Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002