Lighting System Engine Switch Illumination Circuit

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

DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

INSPECT ENGINE SWITCH

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

LIGHTING SYSTEM - Engine Switch Illumination Circuit


DESCRIPTION

The engine switch illumination is controlled by the main body ECU. The operation and condition of this control are described below (Light control switch is OFF).

Operation
Condition
Fade in
When any of the following conditions is met, the engine switch illumination fades in.
  1. The key enters any actuation area around the doors when the engine switch is off and all the doors are closed.
  2. Any door is opened.
  3. Any door is unlocked when the engine switch is off and all the doors are closed.
  4. The engine switch is turned from on (ACC) to off when all the doors are closed.
Fade out immediately
When either of the following conditions is met, the engine switch illumination fades out.
  1. The engine switch is turned from off to on (ACC) or on (IG) when all the doors are closed.
  2. All the doors are locked when the engine switch is off.
Illuminate for approximately 15 seconds, and then fade out
All the doors are closed when the engine switch is off.

WIRING DIAGRAM


Land Cruiser. Urj200, 202 Grj200 Vdj200.Lighting (Ext).Lighting System.Lighting System Engine Switch Illumination Circuit


INSPECTION PROCEDURE

1.INSPECT ENGINE SWITCH

Land Cruiser. Urj200, 202 Grj200 Vdj200.Lighting (Ext).Lighting System.Lighting System Engine Switch Illumination Circuit

  1. Remove the engine switch (Click here).

  1. Apply battery voltage to the engine switch.

  1. Check that the illumination comes on.

    OK:
    Measurement Condition
    		Specified Condition
    Battery positive (+) → Terminal 11 (SWIL)
    Battery negative (-) → Terminal 5 (GND)
    		Engine switch illumination comes on


NG
REPLACE ENGINE SWITCH (Click here)
OK


2.CHECK HARNESS AND CONNECTOR (ENGINE SWITCH - MAIN BODY ECU AND BODY GROUND)


    Land Cruiser. Urj200, 202 Grj200 Vdj200.Lighting (Ext).Lighting System.Lighting System Engine Switch Illumination Circuit

  1. Disconnect the E1 ECU connector.

  1. Disconnect the E18 engine switch connector.

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

    Standard Resistance:
    Tester Connection
    		Condition
    		Specified Condition
    E1-11 (SWIL) - E1-25 (SWIL)
    		Always
    		Below 1 Ω
    E18-5 (GND) - Body ground
    E1-11 (SWIL) - Body ground
    		Always
    		10 kΩ or higher


NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK

REPLACE MAIN BODY ECU