Lighting System Door Courtesy Light Circuit

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

DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

CHECK OPERATION OF DOOR COURTESY LIGHT

INSPECT COWL SIDE JUNCTION BLOCK LH (DOME CUT RELAY)

CHECK HARNESS AND CONNECTOR (DOOR COURTESY LIGHT - BATTERY)

INSPECT FRONT DOOR COURTESY LIGHT LH

CHECK HARNESS AND CONNECTOR (MAIN BODY ECU - BODY GROUND)

INSPECT FRONT DOOR COURTESY LIGHT RH

CHECK HARNESS AND CONNECTOR (MAIN BODY ECU - BODY GROUND)

INSPECT REAR DOOR COURTESY LIGHT LH

CHECK HARNESS AND CONNECTOR (MAIN BODY ECU - BODY GROUND)

INSPECT REAR DOOR COURTESY LIGHT RH

CHECK HARNESS AND CONNECTOR (MAIN BODY ECU - BODY GROUND)

LIGHTING SYSTEM - Door Courtesy Light Circuit


DESCRIPTION

The door courtesy light turns on when the door is opened and turns off when closed.

WIRING DIAGRAM


Land Cruiser. Urj200, 202 Grj200 Vdj200.Lighting (Ext).Lighting System.Lighting System  Door Courtesy Light Circuit


Land Cruiser. Urj200, 202 Grj200 Vdj200.Lighting (Ext).Lighting System.Lighting System  Door Courtesy Light Circuit


INSPECTION PROCEDURE

NOTICE:
  1. Inspect the fuses for circuits related to this system before performing the following inspection procedure.
  2. If the main body ECU (multiplex network body ECU) is replaced, refer to the Service Bulletin.
1.CHECK OPERATION OF DOOR COURTESY LIGHT
  1. When a door is opened, check that the following lights do not illuminate.


Result
Result
Proceed to
All door courtesy light does not illuminate
A
Front door courtesy light LH does not illuminate
B
Front door courtesy light RH does not illuminate
C
Rear door courtesy light LH does not illuminate
D
Rear door courtesy light RH does not illuminate
E


B
Go to step 4

C
Go to step 6

D
Go to step 8

E
Go to step 10
A


2.INSPECT COWL SIDE JUNCTION BLOCK LH (DOME CUT RELAY)
  1. Remove the cowl side junction block LH.

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

    Standard Resistance:
    Tester Connection
    Condition
    Specified Condition
    2F-1 - 2J-11
    Battery voltage not applied to terminals 2F-1 and A-23
    10 kΩ or higher
    Battery voltage applied to terminals 2F-1 and A-23
    Below 1 Ω


NG
REPLACE COWL SIDE JUNCTION BLOCK LH (DOME CUT RELAY)
OK


3.CHECK HARNESS AND CONNECTOR (DOOR COURTESY LIGHT - BATTERY)


    Land Cruiser. Urj200, 202 Grj200 Vdj200.Lighting (Ext).Lighting System.Lighting System  Door Courtesy Light Circuit
  1. Disconnect the I13, I5, J12 and J5 ECU connectors.

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

    Standard Voltage:
    Tester Connection
    Switch Condition
    Specified Condition
    I13-1 - Body ground
    Always
    11 to 14 V
    J12-1 - Body ground
    I5-1 - Body ground
    J5-1 - Body ground


NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK

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

4.INSPECT FRONT DOOR COURTESY LIGHT LH


    Land Cruiser. Urj200, 202 Grj200 Vdj200.Lighting (Ext).Lighting System.Lighting System  Door Courtesy Light Circuit
  1. Remove the door courtesy light connector.

  1. Check that the door courtesy light comes on.

    OK:
    Measurement Condition
    Specified Condition
    Battery positive (+) - Terminal 2
    Battery positive (-) - Terminal 1
    Light illumination


NG
REPLACE FRONT DOOR COURTESY LIGHT LH (Click here)
OK


5.CHECK HARNESS AND CONNECTOR (MAIN BODY ECU - BODY GROUND)


    Land Cruiser. Urj200, 202 Grj200 Vdj200.Lighting (Ext).Lighting System.Lighting System  Door Courtesy Light Circuit
  1. Disconnect the E117 main body ECU connectors.

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

    Standard Voltage:
    Tester Connection
    Condition
    Specified Condition
    E117-1 (FLCL) - Body ground
    Ignition switch ON
    11 to 14 V


NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK

REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)

6.INSPECT FRONT DOOR COURTESY LIGHT RH


    Land Cruiser. Urj200, 202 Grj200 Vdj200.Lighting (Ext).Lighting System.Lighting System  Door Courtesy Light Circuit
  1. Remove the door courtesy light connector.

  1. Check that the door courtesy light comes on.

    OK:
    Measurement Condition
    Specified Condition
    Battery positive (+) - Terminal 2
    Battery positive (-) - Terminal 1
    Light illumination


NG
REPLACE FRONT DOOR COURTESY LIGHT RH (Click here)
OK


7.CHECK HARNESS AND CONNECTOR (MAIN BODY ECU - BODY GROUND)


    Land Cruiser. Urj200, 202 Grj200 Vdj200.Lighting (Ext).Lighting System.Lighting System  Door Courtesy Light Circuit
  1. Disconnect the E117 main body ECU connectors.

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

    Standard Voltage:
    Tester Connection
    Condition
    Specified Condition
    E117-17 (FRCL) - Body ground
    Ignition switch ON
    11 to 14 V


NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK

REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)

8.INSPECT REAR DOOR COURTESY LIGHT LH


    Land Cruiser. Urj200, 202 Grj200 Vdj200.Lighting (Ext).Lighting System.Lighting System  Door Courtesy Light Circuit
  1. Remove the door courtesy light connector.

  1. Check that the door courtesy light comes on.

    OK:
    Measurement Condition
    Specified Condition
    Battery positive (+) - Terminal 2
    Battery positive (-) - Terminal 1
    Light illumination


NG
REPLACE REAR DOOR COURTESY LIGHT LH (Click here)
OK


9.CHECK HARNESS AND CONNECTOR (MAIN BODY ECU - BODY GROUND)


    Land Cruiser. Urj200, 202 Grj200 Vdj200.Lighting (Ext).Lighting System.Lighting System  Door Courtesy Light Circuit
  1. Disconnect the E137 main body ECU connectors.

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

    Standard Voltage:
    Tester Connection
    Condition
    Specified Condition
    E137-2 (LCYL) - Body ground
    Ignition switch ON
    11 to 14 V


NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK

REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)

10.INSPECT REAR DOOR COURTESY LIGHT RH


    Land Cruiser. Urj200, 202 Grj200 Vdj200.Lighting (Ext).Lighting System.Lighting System  Door Courtesy Light Circuit
  1. Remove the door courtesy light connector.

  1. Check that the door courtesy light comes on.

    OK:
    Measurement Condition
    Specified Condition
    Battery positive (+) - Terminal 2
    Battery positive (-) - Terminal 1
    Light illumination


NG
REPLACE REAR DOOR COURTESY LIGHT RH (Click here)
OK


11.CHECK HARNESS AND CONNECTOR (MAIN BODY ECU - BODY GROUND)


    Land Cruiser. Urj200, 202 Grj200 Vdj200.Lighting (Ext).Lighting System.Lighting System  Door Courtesy Light Circuit
  1. Disconnect the E137 main body ECU connectors.

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

    Standard Voltage:
    Tester Connection
    Condition
    Specified Condition
    E137-1 (RCYL) - Body ground
    Ignition switch ON
    11 to 14 V


NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK

REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)