Theft Deterrent System (W/O Entry And Start System) Engine Hood Courtesy Switch Circuit

Vehicle Interior. Land Cruiser. Urj200, 202 Grj200 Vdj200
Theft Deterrent Keyless Entry. Land Cruiser. Urj200, 202 Grj200 Vdj200

DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

READ VALUE USING GTS (HOOD COURTESY SW)

CHECK HARNESS AND CONNECTOR (HOOD LOCK ASSEMBLY [ENGINE HOOD COURTESY SWITCH] - MAIN BODY ECU [MULTIPLEX NETWORK BODY ECU] AND BODY GROUND)

INSPECT ENGINE HOOD COURTESY SWITCH (HOOD LOCK ASSEMBLY)

THEFT DETERRENT SYSTEM (w/o Entry and Start System) - Engine Hood Courtesy Switch Circuit


DESCRIPTION

The engine hood courtesy switch is installed together with the hood lock. This switch turns on when the engine hood is closed and turns off when the engine hood is opened.

WIRING DIAGRAM


Land Cruiser. Urj200, 202 Grj200 Vdj200.Theft Deterrent Keyless Entry.Entry And Start System (For Entry Function).Theft Deterrent System (W/O Entry And Start System) Engine Hood Courtesy Switch Circuit


INSPECTION PROCEDURE

NOTICE:
  1. If the main body ECU (multiplex network body ECU) is replaced, refer to the Service Bulletin.
  2. w/ Door Control Battery:
    As the door control battery is installed between the vehicle battery and main body ECU (multiplex network body ECU), first perform the inspections in On-Vehicle Inspection to confirm that there are no malfunctions in the power source circuit for the main body ECU (multiplex network body ECU) before performing this troubleshooting procedure (Click here).
1.READ VALUE USING GTS (HOOD COURTESY SW)

  1. Connect the GTS to the DLC3.

  1. Turn the ignition switch ON.

  1. Turn the GTS on.

  1. Enter the following menus: Body Electrical / Main Body / Data List.

  1. According to the display on the GTS, read the Data List.

    Main Body
    Tester Display
    		Measurement Item/Range
    		Normal Condition
    		Diagnostic Note
    Hood Courtesy SW
    		Engine hood courtesy switch/ON or OFF
    		ON: Engine hood closed
    OFF: Engine hood open
    		-
    OK:
    The indicator on the GTS switches between ON and OFF in accordance with the engine hood courtesy switch (hood lock assembly) status.


NG
Go to step 2
OK

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE (Click here)

2.CHECK HARNESS AND CONNECTOR (HOOD LOCK ASSEMBLY [ENGINE HOOD COURTESY SWITCH] - MAIN BODY ECU [MULTIPLEX NETWORK BODY ECU] AND BODY GROUND)

  1. Disconnect the A74 engine hood courtesy switch (hood lock assembly) connector.

  1. Disconnect the E118 main body ECU (multiplex network body ECU) connector.

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

    Standard Resistance:
    Tester Connection
    		Condition
    		Specified Condition
    A74-2 (+) - E118-11(HCTY)
    		Always
    		Below 1 Ω
    A74-1 (E) - Body ground
    		Always
    		Below 1 Ω
    A74-2 (+) - Body ground
    		Always
    		10 kΩ or higher
    E118-11 (HCTY) - Body ground
    		Always
    		10 kΩ or higher


NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK


3.INSPECT ENGINE HOOD COURTESY SWITCH (HOOD LOCK ASSEMBLY)

  1. Remove the hood lock assembly (Click here).

  1. Inspect the hood lock assembly (engine hood courtesy switch) (Click here).

    Result
    Result
    		Proceed to
    OK (for LHD)
    		A
    OK (for RHD)
    		B
    NG
    		C


B
REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) (Click here)

C
REPLACE ENGINE HOOD COURTESY SWITCH (HOOD LOCK ASSEMBLY) (Click here)
A

REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) (Click here)