Lighting System Headlight Dimmer Switch Circuit

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

DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

READ VALUE USING GTS (TURN SIGNAL SWITCH)

INSPECT HEADLIGHT DIMMER SWITCH ASSEMBLY

CHECK HARNESS AND CONNECTOR (HEADLIGHT DIMMER SWITCH - COMBINATION METER AND BODY GROUND)

LIGHTING SYSTEM - Headlight Dimmer Switch Circuit


DESCRIPTION

The combination meter assembly receives the turn signal switch information and controls the turn signal lights.

WIRING DIAGRAM


Land Cruiser. Urj200, 202 Grj200 Vdj200.Lighting (Ext).Lighting System.Lighting System Headlight Dimmer Switch Circuit


Land Cruiser. Urj200, 202 Grj200 Vdj200.Lighting (Ext).Lighting System.Lighting System Headlight Dimmer Switch Circuit


INSPECTION PROCEDURE

NOTICE:
When replacing the combination meter assembly, make sure to replace it with a new one.
1.READ VALUE USING GTS (TURN SIGNAL SWITCH)

  1. Operate the GTS according to the display and select the Data List (Click here).

    Combination Meter
    Tester Display
    		Measurement Item/Range
    		Normal Condition
    		Diagnostic Note
    Turn Signal Switch (Right)
    		Turn signal switch (right) / ON or OFF
    		ON: Turn signal switch (right) on
    OFF: Turn signal switch (right) off
    		-
    Turn Signal Switch (Left)
    		Turn signal switch (left) / ON or OFF
    		ON: Turn signal switch (left) on
    OFF: Turn signal switch (left) off
    		-
    Result:
    Result
    		Proceed to
    Data List values are as specified
    		A
    Data List values are not as specified
    		B


B
Go to step 2
A

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

2.INSPECT HEADLIGHT DIMMER SWITCH ASSEMBLY

  1. Remove the headlight dimmer switch (Click here).

  1. Inspect the headlight dimmer switch (Click here).



NG
REPLACE HEADLIGHT DIMMER SWITCH (Click here)
OK


3.CHECK HARNESS AND CONNECTOR (HEADLIGHT DIMMER SWITCH - COMBINATION METER AND BODY GROUND)

  1. Disconnect the E14 switch connector.

  1. Disconnect the E120 meter connector.

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

    Standard Resistance:
    for LH Side (w/o Entry and Start System)
    Tester Connection
    		Condition
    		Specified Condition
    E14-15 (TL) - E120-10 (EL)
    		Always
    		Below 1 Ω
    E14-13 (TR) - E120-9 (ER)
    E14-12 (ET) - Body ground
    E14-15 (TL) - Body ground
    		Always
    		10 kΩ or higher
    E14-13 (TR) - Body ground
    for LH Side (w/ Entry and Start System)
    Tester Connection
    		Condition
    		Specified Condition
    E14-11 (TL) - E120-10 (EL)
    		Always
    		Below 1 Ω
    E14-12 (TR) - E120-9 (ER)
    E14-15 (ET) - Body ground
    E14-11 (TL) - Body ground
    		Always
    		10 kΩ or higher
    E14-12 (TR) - Body ground
    for RH Side (w/o Entry and Start System)
    Tester Connection
    		Condition
    		Specified Condition
    E14-18 (TL) - E120-10 (EL)
    		Always
    		Below 1 Ω
    E14-16 (TR) - E120-9 (ER)
    E14-19 (ET) - Body ground
    E14-18 (TL) - Body ground
    		Always
    		10 kΩ or higher
    E14-16 (TR) - Body ground
    for RH Side (w/ Entry and Start System)
    Tester Connection
    		Condition
    		Specified Condition
    E14-19 (TL) - E120-10 (EL)
    		Always
    		Below 1 Ω
    E14-20 (TR) - E120-9 (ER)
    E14-16 (ET) - Body ground
    E14-19 (TL) - Body ground
    		Always
    		10 kΩ or higher
    E14-20 (TR) - Body ground


NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK

REPLACE COMBINATION METER ASSEMBLY (Click here)