Lighting System Rear Fog Light 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 (RR FOG, TAIL)

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

CHECK HARNESS AND CONNECTOR (REAR FOG LIGHT ASSEMBLY - MAIN BODY ECU AND BODY GROUND)

LIGHTING SYSTEM - Rear Fog Light Circuit


DESCRIPTION

The main body ECU receives a rear fog light switch information signal from the light control switch (rear fog switch), and illuminates the rear fog lights.

WIRING DIAGRAM


Land Cruiser. Urj200, 202 Grj200 Vdj200.Lighting (Ext).Lighting System.Lighting System Rear Fog Light 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
    Rear Fog Light Relay
    		Rear fog light
    		ON or OFF
    		-
    OK:
    Fog light turns on/turns off.


NG
Go to step 2
OK

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

2.INSPECT FUSE (RR FOG, TAIL)

  1. Remove the RR FOG fuse and TAIL fuse from the main body ECU.

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

    Standard Resistance:
    Tester Connection
    		Condition
    		Specified Condition
    RR FOG fuse
    		Always
    		Below 1 Ω
    TAIL fuse


NG
REPLACE FUSE
OK


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


    Land Cruiser. Urj200, 202 Grj200 Vdj200.Lighting (Ext).Lighting System.Lighting System Rear Fog Light Circuit

  1. Disconnect the 2A ECU connector.

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

    Standard Voltage:
    Tester Connection
    		Condition
    		Specified Condition
    2A-1 - Body ground
    		Always
    		11 to 14 V


NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK


4.CHECK HARNESS AND CONNECTOR (REAR FOG LIGHT ASSEMBLY - MAIN BODY ECU AND BODY GROUND)


  1. Disconnect the 2C ECU connector.


    Land Cruiser. Urj200, 202 Grj200 Vdj200.Lighting (Ext).Lighting System.Lighting System Rear Fog Light Circuit

  1. for LH:

    1. Disconnect the O6 rear fog light connector.

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

      Standard Resistance:
      Tester Connection
      		Condition
      		Specified Condition
      2C-8 (RFGO) - O6-2
      		Always
      		Below 1 Ω
      O6-1 - Body ground
      O6-2 - Body ground
      		Always
      		10 kΩ or higher

  1. for RH:

    1. Disconnect the O5 rear fog light connector.

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

      Standard Resistance:
      Tester Connection
      		Condition
      		Specified Condition
      2C-8 (RFGO) - O5-2
      		Always
      		Below 1 Ω
      O5-1 - Body ground
      O5-2 - Body ground
      		Always
      		10 kΩ or higher


NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK

REPLACE MAIN BODY ECU