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Home >> Toyota >> 2005 >> Sequoia Limited, 4WD >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> SFI System (Service Information) >> Fuel Pump Relay >> Inspection

Fuel Pump Relay: Inspection

  1. REMOVE RELAY BOX COVER 
  2. REMOVE FUEL PUMP RELAY (Marking: F/P) 
  3. INSPECT FUEL PUMP RELAY CONTINUITY 
    Fig 1: Inspecting Fuel Pump Relay Continuity
    G02650650Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Using an ohmmeter, check that there is continuity between terminals 1 and 2.

      If there is no continuity, replace the relay.

    2. Check that there is continuity between terminals 3 and 4.

      If there is no continuity, replace the relay.

  4. INSPECT FUEL PUMP RELAY OPERATION 
    Fig 2: Inspecting Fuel Pump Relay Operation
    G02650651Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Apply battery positive voltage across terminals 1 and 2.
    2. Using an ohmmeter, check that there is no continuity between terminals 3 and 4.

    If there is continuity, replace the relay.

  5. REINSTALL FUEL PUMP RELAY 
  6. REINSTALL RELAY BOX COVER