Sfi System Fuel Injector Circuit

Engine Hybrid System. Land Cruiser. Urj200, 202 Grj200 Vdj200
1Gr-Fe Engine Control. Land Cruiser. Urj200, 202 Grj200 Vdj200

DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

CHECK FUEL INJECTOR ASSEMBLY (POWER SOURCE)

INSPECT FUEL INJECTOR ASSEMBLY

CHECK HARNESS AND CONNECTOR (FUEL INJECTOR ASSEMBLY - ECM)

SFI SYSTEM - Fuel Injector Circuit


DESCRIPTION

The fuel injector assemblies are located on the intake manifold. They inject fuel into the cylinders based on the signals from the ECM.

WIRING DIAGRAM


Land Cruiser. Urj200, 202 Grj200 Vdj200.1Gr-Fe Engine Control.Sfi System.Sfi System Fuel Injector Circuit


INSPECTION PROCEDURE

NOTICE:
Inspect the fuses for circuits related to this system before performing the following inspection procedure.
1.CHECK FUEL INJECTOR ASSEMBLY (POWER SOURCE)


    Land Cruiser. Urj200, 202 Grj200 Vdj200.1Gr-Fe Engine Control.Sfi System.Sfi System Fuel Injector Circuit

  1. Disconnect the fuel injector assembly connector.

  1. Turn the ignition switch to ON.

  1. Measure the voltage according to the value(s) in the table below.

    Standard Voltage:
    Cylinder
    		Tester Connection
    		Switch Condition
    		Specified Condition
    No. 1
    		C5-1 - Body ground
    		Ignition switch ON
    		11 to 14 V
    No. 2
    		C16-1 - Body ground
    		Ignition switch ON
    		11 to 14 V
    No. 3
    		C7-1 - Body ground
    		Ignition switch ON
    		11 to 14 V
    No. 4
    		C14-1 - Body ground
    		Ignition switch ON
    		11 to 14 V
    No. 5
    		C9-1 - Body ground
    		Ignition switch ON
    		11 to 14 V
    No. 6
    		C12-1 - Body ground
    		Ignition switch ON
    		11 to 14 V
    Text in Illustration
    *a
    		Front view of wire harness connector
    (to Fuel Injector Assembly)

  1. Turn the ignition switch off.



NG
REPAIR OR REPLACE HARNESS OR CONNECTOR (INTEGRATION RELAY (IG2 MAIN) - FUEL INJECTOR ASSEMBLY)
OK


2.INSPECT FUEL INJECTOR ASSEMBLY

  1. Inspect the fuel injector assembly (Click here).



NG
REPLACE FUEL INJECTOR ASSEMBLY (Click here)
OK


3.CHECK HARNESS AND CONNECTOR (FUEL INJECTOR ASSEMBLY - ECM)

  1. Disconnect the fuel injector assembly connector.

  1. Disconnect the ECM connector.

  1. Measure the resistance according to the value(s) in the table below.

    Standard Resistance:
    for LHD
    Cylinder
    		Tester Connection
    		Condition
    		Specified Condition
    No. 1
    		C5-2 - Body ground
    		Always
    		10 kΩ or higher
    C5-2 - C45-86 (#10)
    		Always
    		Below 1 Ω
    No. 2
    		C16-2 - Body ground
    		Always
    		10 kΩ or higher
    C16-2 - C45-109 (#20)
    		Always
    		Below 1 Ω
    No. 3
    		C7-2 - Body ground
    		Always
    		10 kΩ or higher
    C7-2 - C45-85 (#30)
    		Always
    		Below 1 Ω
    No. 4
    		C14-2 - Body ground
    		Always
    		10 kΩ or higher
    C14-2 - C45-108 (#40)
    		Always
    		Below 1 Ω
    No. 5
    		C9-2 - Body ground
    		Always
    		10 kΩ or higher
    C9-2 - C45-84 (#50)
    		Always
    		Below 1 Ω
    No. 6
    		C12-2 - Body ground
    		Always
    		10 kΩ or higher
    C12-2 - C45-107 (#60)
    		Always
    		Below 1 Ω
    for RHD
    Cylinder
    		Tester Connection
    		Condition
    		Specified Condition
    No. 1
    		C5-2 - Body ground
    		Always
    		10 kΩ or higher
    C5-2 - C46-86 (#10)
    		Always
    		Below 1 Ω
    No. 2
    		C16-2 - Body ground
    		Always
    		10 kΩ or higher
    C16-2 - C46-109 (#20)
    		Always
    		Below 1 Ω
    No. 3
    		C7-2 - Body ground
    		Always
    		10 kΩ or higher
    C7-2 - C46-85 (#30)
    		Always
    		Below 1 Ω
    No. 4
    		C14-2 - Body ground
    		Always
    		10 kΩ or higher
    C14-2 - C46-108 (#40)
    		Always
    		Below 1 Ω
    No. 5
    		C9-2 - Body ground
    		Always
    		10 kΩ or higher
    C9-2 - C46-84 (#50)
    		Always
    		Below 1 Ω
    No. 6
    		C12-2 - Body ground
    		Always
    		10 kΩ or higher
    C12-2 - C46-107 (#60)
    		Always
    		Below 1 Ω


NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK

REPLACE ECM (Click here)