Wiper And Washer System (W/ Rain Sensor) Headlight Cleaner Switch Circuit

Vehicle Exterior. Land Cruiser. Urj200, 202 Grj200 Vdj200
Wiper Washer. Land Cruiser. Urj200, 202 Grj200 Vdj200

DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

CHECK HEADLIGHT ASSEMBLY (LO BEAM)

INSPECT HEADLIGHT CLEANER SWITCH ASSEMBLY

CHECK HARNESS AND CONNECTOR (HEADLIGHT CLEANER SWITCH ASSEMBLY - HEADLIGHT CLEANER CONTROL RELAY AND MAIN BODY ECU)

WIPER AND WASHER SYSTEM (w/ Rain Sensor) - Headlight Cleaner Switch Circuit


DESCRIPTION

This circuit detects the conditions of the headlight cleaner switch.
  1. Headlight cleaner switch signal
  2. Headlight operating signal
  3. Daytime running light operating signal

WIRING DIAGRAM


Land Cruiser. Urj200, 202 Grj200 Vdj200.Wiper Washer.Wiper And Washer System (W/ Rain Sensor).Wiper And Washer System (W/ Rain Sensor)  Headlight Cleaner Switch Circuit


INSPECTION PROCEDURE

1.CHECK HEADLIGHT ASSEMBLY (LO BEAM)
  1. Check that the headlights illuminate in LO beam.

    OK:
    Headlights illuminate in LO beam


NG
GO TO LIGHTING SYSTEM (Click here)
OK


2.INSPECT HEADLIGHT CLEANER SWITCH ASSEMBLY


    Land Cruiser. Urj200, 202 Grj200 Vdj200.Wiper Washer.Wiper And Washer System (W/ Rain Sensor).Wiper And Washer System (W/ Rain Sensor)  Headlight Cleaner Switch Circuit
  1. Disconnect the G4 cleaner switch connector.

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

    Standard Resistance:
    Tester Connection
    Condition
    Specified Condition
    8 (B) - 5 (L)
    Headlight cleaner switch off
    10 kΩ or higher
    8 (B) - 5 (L)
    Headlight cleaner switch on
    Below 1 Ω


NG
REPLACE HEADLIGHT CLEANER SWITCH ASSEMBLY (Click here)
OK


3.CHECK HARNESS AND CONNECTOR (HEADLIGHT CLEANER SWITCH ASSEMBLY - HEADLIGHT CLEANER CONTROL RELAY AND MAIN BODY ECU)


    Land Cruiser. Urj200, 202 Grj200 Vdj200.Wiper Washer.Wiper And Washer System (W/ Rain Sensor).Wiper And Washer System (W/ Rain Sensor)  Headlight Cleaner Switch Circuit
  1. Disconnect the headlight cleaner control relay connector.

  1. Disconnect the G4 switch connector.

  1. Disconnect the 2D main body ECU connector.

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

    Standard Resistance:
    Tester Connection
    Condition
    Specified Condition
    2 (H) - G4-8 (B)
    Always
    Below 1 Ω
    G4-5 (L) - 2D-23 (HRLY)
    2 (H) - Body ground
    Always
    10 kΩ or higher
    G4-8 (B) - Body ground
    G4-5 (L) - Body ground
    2D-23 (HRLY) - Body ground


NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK

REPLACE HEADLIGHT CLEANER CONTROL RELAY (Click here)