Lighting System Drl Relay 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 GTS (DAYTIME RUNNING LIGHT)

CHECK HARNESS AND CONNECTOR (NO. 2 INTEGRATION RELAY - BATTERY)

CHECK HARNESS AND CONNECTOR (NO. 2 INTEGRATION RELAY - COWL SIDE JUNCTION BLOCK LH)

INSPECT COWL SIDE JUNCTION BLOCK LH

INSPECT NO.2 INTEGRATION RELAY (DRL RELAY)

CHECK HARNESS AND CONNECTOR (NO. 2 INTEGRATION RELAY - HEADLIGHT ASSEMBLY)

LIGHTING SYSTEM - DRL Relay Circuit


DESCRIPTION

The LED daylight system illuminates the lights when the light control switch position signal, engine speed signal and surrounding brightness signal are input to the main body ECU (multiplex network body ECU) and the LED daylight system operation conditions are met.

WIRING DIAGRAM


Land Cruiser. Urj200, 202 Grj200 Vdj200.Lighting (Ext).Lighting System.Lighting System Drl Relay Circuit


INSPECTION PROCEDURE

NOTICE:
  1. Inspect the fuses for circuits related to this system before performing the following inspection procedure.
  2. Recognition code registration is necessary when replacing the main body ECU (multiplex network body ECU).
  3. If the main body ECU (multiplex network body ECU) is replaced, refer to the Service Bulletin.
1.PERFORM ACTIVE TEST USING GTS (DAYTIME RUNNING LIGHT)

  1. Using the GTS, perform the Active Test (Click here).

    Main Body
    Tester Display
    		Test Part
    		Control Range
    		Diagnostic Note
    Daytime Running Light
    		DRL light illumination operation
    		ON or OFF
    		Only when "Daytime Running Light" in the GTS customization settings is set to "ON".
    OK:
    Daytime running lights come on.


NG
Go to step 2
OK

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

2.CHECK HARNESS AND CONNECTOR (NO. 2 INTEGRATION RELAY - BATTERY)


    Land Cruiser. Urj200, 202 Grj200 Vdj200.Lighting (Ext).Lighting System.Lighting System Drl Relay Circuit

  1. Disconnect the No. 2 integration relay connectors.

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

    Standard Voltage:
    for LHD
    Tester Connection
    		Condition
    		Specified Condition
    1Y-1 - Body ground
    		Always
    		11 to 14 V
    for RHD
    Tester Connection
    		Condition
    		Specified Condition
    1X-1 - Body ground
    		Always
    		11 to 14 V
Text in Illustration
*A
for LHD
*B
for RHD
*a
Front view of wire harness connector
(to No. 2 Integration Relay)


NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK


3.CHECK HARNESS AND CONNECTOR (NO. 2 INTEGRATION RELAY - COWL SIDE JUNCTION BLOCK LH)

  1. Disconnect the 1R No. 2 integration relay connector.

  1. Disconnect the 2H cowl side junction block LH connector.

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

    Standard Resistance:
    Tester Connection
    		Condition
    		Specified Condition
    1R-4 - 2H-28
    		Always
    		Below 1 Ω
    1R-4 - Body ground
    		Always
    		10 kΩ or higher


NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK


4.INSPECT COWL SIDE JUNCTION BLOCK LH
Land Cruiser. Urj200, 202 Grj200 Vdj200.Lighting (Ext).Lighting System.Lighting System Drl Relay Circuit

  1. for LHD:

    1. Remove the cowl side junction block LH (Click here).
    2. Remove the main body ECU from the cowl side junction block LH (Click here).

  1. for RHD:

    1. Remove the cowl side junction block LH (Click here ).
    2. Remove the main body ECU from the cowl side junction block LH (Click here).

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

    Standard Resistance:
    Tester Connection
    		Condition
    		Specified Condition
    A-25 (DRLE) - 2H-28
    		Always
    		Below 1 Ω
Result
Result
Result		Proceed to
OK
A
NG (for LHD)
B
NG (for RHD)
C


B
REPLACE COWL SIDE JUNCTION BLOCK LH (Click here)

C
REPLACE COWL SIDE JUNCTION BLOCK LH (Click here)
A


5.INSPECT NO.2 INTEGRATION RELAY (DRL RELAY)

  1. Inspect the No. 2 integration relay (Click here).



NG
REPLACE NO.2 INTEGRATION RELAY
OK


6.CHECK HARNESS AND CONNECTOR (NO. 2 INTEGRATION RELAY - HEADLIGHT ASSEMBLY)

  1. Disconnect the 1R No. 2 integration relay connector.

  1. Disconnect the A68 headlight assembly LH connector.

  1. Disconnect the A65 headlight assembly RH connector.

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

    Standard Resistance:
    Tester Connection
    		Condition
    		Specified Condition
    1R-3 - A65-11(B)
    		Always
    		Below 1 Ω
    1R-3 - A68-11(B)
    		Always
    		Below 1 Ω
    1R-3 - Body ground
    		Always
    		10 kΩ or higher
Result
Result
Result		Proceed to
OK (for LHD)
A
NG
B
OK (for RHD)
C


B
REPAIR OR REPLACE HARNESS OR CONNECTOR

C
REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) (Click here)
A

REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) (Click here)