Toyota
Toyota Land Cruiser
 Service Manual
SFI
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 OBDII SCAN TOOL

(a) Connect the TOYOTA hand-held tester or OBDII scan

(a) Connect the TOYOTA hand-held tester or OBDII scan tool to the DLC3.

(b) Please refer to the TOYOTA hand-held tester or OBDII scan tool operator's manual for further details.

3. INSPECT FUEL CUTOFF RPM OPERATION

(a) Increase the engine speed to at least 2,500 rpm.

(a) Increase the engine speed to at least 2,500 rpm.

(b) Check the injector for operating noise.

(c) Check that when the throttle lever is released, injector operation noise stops momentarily and then resumes.

HINT:

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

    Fuel return speed: 1,000 rpm

4. DISCONNECT TOYOTA HAND- HELD TESTER OR OBDII SCAN TOOL

    More about SFI:

    Accelerator pedal position sensor

    Circuit opening relay

    Engine control module (ECM)

    Engine coolant temperature (ECT) sensor

    EFI main relay

    Fuel cut RPM

    Fuel pressure regulator

    Fuel pump relay

    Fuel pump resistor

    Fuel tank and line

    Fuel pump

    Heated oxygen sensor

    Injector

    Knock sensor

    Mass air flow (MAF) meter

    SFI system

    Throttle body

    VSV for canister closed valve (CCV)

    VSV for vapor pressure sensor

    Vapor pressure sensor

    Airbag sensor assembly

    Curtain shield airbag assembly

    Curtain shield airbag sensor assembly

    Front airbag sensor

    Front passenger airbag assembly

    RSCA off switch

    Side airbag assembly

    Side and curtain shield airbag sensor assembly

    Seat position sensor assembly

    Side and curtain shield airbag sensor assembly

    Seat position sensor assembly

    SRS airbag

    Steering wheel pad and spiral cable

    Wire harness and connector

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