Lighting System Illumination Circuit

Vehicle Exterior. Land Cruiser. Urj200, 202 Grj200 Vdj200
Lighting (Ext). Land Cruiser. Urj200, 202 Grj200 Vdj200

DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

PERFORM ACTIVE TEST USING INTELLIGENT TESTER

INSPECT FUSE (DOME2)

CHECK VEHICLE TYPE

CHECK HARNESS AND CONNECTOR (DOME LIGHT - MAP LIGHT AND BODY GROUND)

CHECK HARNESS AND CONNECTOR (MAP LIGHT - BODY GROUND)

INSPECT MAP LIGHT

CHECK HARNESS AND CONNECTOR (NO. 3 ROOM LIGHT - MAP LIGHT AND BODY GROUND)

CHECK VEHICLE TYPE

CHECK HARNESS AND CONNECTOR (SPOT LIGHT - MAP LIGHT AND BODY GROUND)

CHECK HARNESS AND CONNECTOR (NO. 1 ROOM LIGHT - MAP LIGHT AND BODY GROUND)

LIGHTING SYSTEM - Illumination Circuit


DESCRIPTION

When a door is opened while the DOOR switch of the map light assembly is on, the map light assembly receives a door open signal from the main body ECU and turns on the corresponding lights.

WIRING DIAGRAM


Land Cruiser. Urj200, 202 Grj200 Vdj200.Lighting (Ext).Lighting System.Lighting System Illumination Circuit


Land Cruiser. Urj200, 202 Grj200 Vdj200.Lighting (Ext).Lighting System.Lighting System Illumination Circuit


INSPECTION PROCEDURE

1.PERFORM ACTIVE TEST USING INTELLIGENT TESTER

  1. Operate the intelligent tester according to the steps on the display and select "Active Test".

    Main Body
    Tester Display
    		Test Part
    		Control Range
    		Diagnostic Note
    Illuminated Entry System
    		Illumination light
    		OFF or ON
    		-
OK:
Light comes on.


NG
Go to step 2
OK

PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE (Click here)

2.INSPECT FUSE (DOME2)

  1. Remove the DOME2 fuse from the engine room junction block.

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

    Standard Resistance:
    Tester Connection
    		Condition
    		Specified Condition
    DOME2 fuse
    		Always
    		Below 1 Ω


NG
REPLACE FUSE
OK


3.CHECK VEHICLE TYPE

  1. Check the vehicle type.

    Result
    Result
    		Proceed to
    w/o Map Light
    		A
    w/ Map Light
    		B


B
Go to step 5
A


4.CHECK HARNESS AND CONNECTOR (DOME LIGHT - MAP LIGHT AND BODY GROUND)

  1. Disconnect the 2D ECU connector.



  1. Disconnect the R13 light connector.


    Land Cruiser. Urj200, 202 Grj200 Vdj200.Lighting (Ext).Lighting System.Lighting System Illumination Circuit

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

    Standard Resistance:
    Tester Connection
    		Condition
    		Specified Condition
    2D-51 (ILE) - R13-2 (CTY)
    		Always
    		Below 1 Ω
    R13-1 (B) - Body ground
    R13-3 (E) - Body ground
    2D-51 (ILE) - Body ground
    		Always
    		10 kΩ or higher


  1. Disconnect the R15 light connector.


    Land Cruiser. Urj200, 202 Grj200 Vdj200.Lighting (Ext).Lighting System.Lighting System Illumination Circuit

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

    Standard Resistance:
    Tester Connection
    		Condition
    		Specified Condition
    2D-51 (ILE) - R15-2 (DL)
    		Always
    		Below 1 Ω
    R15-1 (DB) - Body ground
    R15-3 (L) - Body ground
    2D-51 (ILE) - Body ground
    		Always
    		10 kΩ or higher


NG
REPAIR OR REPLACE HARNESS AND CONNECTOR
OK

REPLACE MAIN BODY ECU

5.CHECK HARNESS AND CONNECTOR (MAP LIGHT - BODY GROUND)


    Land Cruiser. Urj200, 202 Grj200 Vdj200.Lighting (Ext).Lighting System.Lighting System Illumination Circuit

  1. Disconnect the 2D ECU connector.

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

    Standard Voltage:
    Tester Connection
    		Condition
    		Specified Condition
    R7-16 (+B3) - Body ground
    		Always
    		11 to 14 V


NG
REPAIR OR REPLACE HARNESS AND CONNECTOR
OK


6.INSPECT MAP LIGHT
Land Cruiser. Urj200, 202 Grj200 Vdj200.Lighting (Ext).Lighting System.Lighting System Illumination Circuit

  1. Remove the map light (Click here).

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

    Standard Voltage:
    Tester Connection
    		Switch Condition
    		Specified Condition
    R7-31 (+B1) - R7-5 (RRVT)
    		Dome light switch off
    		Below 1 V
    Dome light switch on
    		11 to 14 V
    R7-6 (RILL) - R7-32 (ILLB)
    		Dome light switch off
    		Below 1 V
    Dome light switch on
    		11 to 14 V

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

    Standard Resistance:
    Tester Connection
    		Switch Condition
    		Specified Condition
    R7-9 (CTY) - Body ground
    		"Door" switch on and door open
    		Below 1 Ω
    "Door" switch off and door open
    		10 kΩ or higher
    "Door" switch on and door closed
    		10 kΩ or higher
    "Door" switch off and door closed
    		10 kΩ or higher
    R7-17 (GND9) - Body ground
    		Always
    		Below 1 Ω


NG
REPLACE MAP LIGHT (Click here)
OK


7.CHECK HARNESS AND CONNECTOR (NO. 3 ROOM LIGHT - MAP LIGHT AND BODY GROUND)

  1. Disconnect the R7 map light connector.



    Land Cruiser. Urj200, 202 Grj200 Vdj200.Lighting (Ext).Lighting System.Lighting System Illumination Circuit

  1. Disconnect the R6 light connector.

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

    Standard Resistance:
    Tester Connection
    		Condition
    		Specified Condition
    R7-31 (+B1) - R6-1 (DB)
    		Always
    		Below 1 Ω
    R7-5 (RRVT) - R6-3 (DL)
    R6-2 (L) - Body ground
    R7-31 (+B1) - Body ground
    		Always
    		10 kΩ or higher
    R7-16 (RRVT) - Body ground


NG
REPAIR OR REPLACE HARNESS AND CONNECTOR
OK


8.CHECK VEHICLE TYPE

  1. Check the vehicle type.

    Result
    Result
    		Proceed to
    w/ Sliding Roof
    		A
    w/o Sliding Roof
    		B


B
Go to step 10
A


9.CHECK HARNESS AND CONNECTOR (SPOT LIGHT - MAP LIGHT AND BODY GROUND)

  1. Disconnect the R7 map light connector.



    Land Cruiser. Urj200, 202 Grj200 Vdj200.Lighting (Ext).Lighting System.Lighting System Illumination Circuit

  1. Disconnect the R4 light connector.

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

    Standard Resistance:
    Tester Connection
    		Condition
    		Specified Condition
    R7-32 (ILLB) - R4-1 (B)
    		Always
    		Below 1 Ω
    R7-6 (RILL) - R4-2 (CTY)
    R7-32 (ILLB) - Body ground
    		Always
    		10 kΩ or higher
    R7-6 (RILL) - Body ground


    Land Cruiser. Urj200, 202 Grj200 Vdj200.Lighting (Ext).Lighting System.Lighting System Illumination Circuit

  1. for LH:

    1. Disconnect the R8 light connector.

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

      Standard Resistance:
      Tester Connection
      		Condition
      		Specified Condition
      R7-32 (ILLB) - R8-2 (BL)
      		Always
      		Below 1 Ω
      R7-1 (RGND) - R8-4 (E)
      R7-32 (ILLB) - Body ground
      		Always
      		10 kΩ or higher
      R7-1 (RGND) - Body ground

  1. for RH:

    1. Disconnect the R9 light connector.

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

      Standard Resistance:
      Tester Connection
      		Condition
      		Specified Condition
      R7-32 (ILLB) - R9-2 (BR)
      		Always
      		Below 1 Ω
      R7-1 (RGND) - R9-4 (ER)
      R7-32 (ILLB) - Body ground
      		Always
      		10 kΩ or higher
      R7-1 (RGND) - Body ground


NG
REPAIR OR REPLACE HARNESS AND CONNECTOR
OK

REPLACE MAIN BODY ECU

10.CHECK HARNESS AND CONNECTOR (NO. 1 ROOM LIGHT - MAP LIGHT AND BODY GROUND)

  1. Disconnect the R7 map light connector.



    Land Cruiser. Urj200, 202 Grj200 Vdj200.Lighting (Ext).Lighting System.Lighting System Illumination Circuit

  1. Disconnect the R12 light connector.

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

    Standard Resistance:
    Tester Connection
    		Condition
    		Specified Condition
    R7-32 (ILLB) - R12-1 (B)
    		Always
    		Below 1 Ω
    R7-6 (RILL) - R12-3 (CTY)
    R12-2 (E) - R7-1 (RGND)
    R7-32 (ILLB) - Body ground
    		Always
    		10 kΩ or higher
    R7-6 (RILL) - Body ground


NG
REPAIR OR REPLACE HARNESS AND CONNECTOR
OK

REPLACE MAIN BODY ECU