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Home >> Lexus >> 2009 >> GS 460 >> Repair and Diagnosis (Single Page) >> Engine Performance >> Engine Control Systems >> Engine Control System (Service Information) >> Fuel Pump Relay >> On-Vehicle Inspection >> On-Vehicle Inspection
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On-Vehicle Inspection

  1. REMOVE COOL AIR INTAKE DUCT SEAL  . Refer to REMOVAL - Step 7
  2. REMOVE ENGINE ROOM SIDE COVER LH  . Refer to REMOVAL - Step 8
  3. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL 
    NOTE:

    When disconnecting the cable, some systems need to be initialized after the cable is reconnected Refer to INITIALIZATION .

  4. REMOVE FUEL PUMP RELAY (F/PMP) 
    1. Remove the fuel pump relay from the engine room No. 2 relay block.
  5. INSPECT FUEL PUMP RELAY 
    Fig 1: Inspecting Fuel Pump Relay
    GTY102892Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Measure the resistance according to the value(s) in the table below.

      Standard resistance

      Tester Connection Condition Specified Condition
      3 - 4 when no battery voltage is applied to terminals 1 and 2 Below 1 Ω
      3 - 4 when battery voltage is applied to terminals 1 and 2 10 kΩ or higher

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

  6. INSTALL FUEL PUMP RELAY 
  7. CONNECT CABLE TO NEGATIVE BATTERY TERMINAL 
    NOTE:

    When disconnecting the cable, some systems need to be initialized after the cable is reconnected Refer to INITIALIZATION .

  8. INSTALL ENGINE ROOM SIDE COVER LH  . Refer to INSTALLATION - Step 70
  9. INSTALL COOL AIR INTAKE DUCT SEAL  . Refer to INSTALLATION - Step 71