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

INSPECT HEADLIGHT DIMMER SWITCH (TURN SIGNAL SWITCH)

CHECK HARNESS AND CONNECTOR (HEADLIGHT DIMMER SWITCH - TURN SIGNAL FLASHER AND BODY GROUND)

LIGHTING SYSTEM - Headlight Dimmer Switch Circuit


DESCRIPTION

The turn signal flasher receives a turn signal light information signal from the headlight dimmer switch.

WIRING DIAGRAM


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


INSPECTION PROCEDURE

1.INSPECT HEADLIGHT DIMMER SWITCH (TURN SIGNAL SWITCH)


    Land Cruiser. Urj200, 202 Grj200 Vdj200.Lighting (Ext).Lighting System.Lighting System  Headlight Dimmer Switch Circuit
  1. Remove the headlight dimmer switch (Click here).

  1. for LH Side:
    Measure the resistance according to the value(s) in the table below.

    Standard Resistance:
    Tester Connection
    Switch Condition
    Specified Condition
    13 (TR) - 12 (EL)
    Turn signal switch right turn
    Below 1 Ω
    Turn signal switch off
    10 kΩ or higher
    15 (TL) - 12 (EL)
    Turn signal switch left turn
    Below 1 Ω
    Turn signal switch off
    10 kΩ or higher


    Land Cruiser. Urj200, 202 Grj200 Vdj200.Lighting (Ext).Lighting System.Lighting System  Headlight Dimmer Switch Circuit
  1. for RH Side:
    Measure the resistance according to the value(s) in the table below.

    Standard Resistance:
    Tester Connection
    Switch Condition
    Specified Condition
    16 (TR) - 19 (EL)
    Turn signal switch right turn
    Below 1 Ω
    Turn signal switch off
    10 kΩ or higher
    18 (TL) - 19 (EL)
    Turn signal switch left turn
    Below 1 Ω
    Turn signal switch off
    10 kΩ or higher


NG
REPLACE HEADLIGHT DIMMER SWITCH (Click here)
OK


2.CHECK HARNESS AND CONNECTOR (HEADLIGHT DIMMER SWITCH - TURN SIGNAL FLASHER AND BODY GROUND)


    Land Cruiser. Urj200, 202 Grj200 Vdj200.Lighting (Ext).Lighting System.Lighting System  Headlight Dimmer Switch Circuit
  1. Disconnect the E14 switch connector.

  1. Disconnect the E19 relay connector.

  1. for LH Side:
    Measure the resistance according to the value(s) in the table below.

    Standard Resistance:
    Tester Connection
    Condition
    Specified Condition
    E14-13 (TR) - E19-6 (ER)
    Always
    Below 1 Ω
    E14-15 (TL) - E19-5 (EL)
    E14-12 (EL) - Body ground
    E14-13 (TR) - Body ground
    Always
    10 kΩ or higher
    E14-15 (TL) - Body ground


    Land Cruiser. Urj200, 202 Grj200 Vdj200.Lighting (Ext).Lighting System.Lighting System  Headlight Dimmer Switch Circuit
  1. for RH Side:
    Measure the resistance according to the value(s) in the table below.

    Standard Resistance:
    Tester Connection
    Condition
    Specified Condition
    E14-16 (TR) - E19-6 (ER)
    Always
    Below 1 Ω
    E14-18 (TL) - E19-5 (EL)
    E14-19 (EL) - Body ground
    E14-16 (TR) - Body ground
    Always
    10 kΩ or higher
    E14-18 (TL) - Body ground
    Result
    Result
    Proceed to
    OK (for LHD)
    A
    OK (for RHD)
    B
    NG
    C


B
REPLACE TURN SIGNAL FLASHER ASSEMBLY (Click here)

C
REPAIR OR REPLACE HARNESS OR CONNECTOR
A

REPLACE TURN SIGNAL FLASHER ASSEMBLY (Click here)