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Fuel Cut Rpm: Inspection

  1. WARM UP ENGINE 

    Allow the engine to warm up to normal operating temperature.

  2. CONNECT TOYOTA HAND-HELD TESTER OR OBD II SCAN TOOL 
    1. Connect the TOYOTA hand-held tester or OBD II scan tool to the DLC3.
      Fig 1: Connecting Hand-Held Tester Or OBD II Scan Tool To DLC3
      G03076952Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Please refer to the TOYOTA hand-held tester or OBD II scan tool operator's manual for further details.
  3. INSPECT FUEL CUTOFF RPM OPERATION 
    1. Increase the engine speed to at least 2,500 rpm.
    2. Check the injector for operating noise.
    3. Check that when the throttle lever is released, injector operation noise stops momentarily and then resumes.

      HINT:

      • The vehicle should be at rest during the inspection.
      • Inspection with the A/C OFF.

        Fuel return speed: 1,000 rpm 

      Fig 2: Inspecting Fuel Cutoff RPM Operation
      G03076953Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  4. DISCONNECT TOYOTA HAND-HELD TESTER OR OBD II SCAN TOOL