Land Cruiser URJ200 URJ202 GRJ200 VDJ200 - LIGHTING EXT

DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

PERFORM ACTIVE TEST USING INTELLIGENT TESTER

INSPECT FUSE (DOME2)

CHECK VEHICLE TYPE

CHECK HARNESS AND CONNECTOR (DOME LIGHT - MAP LIGHT AND BODY GROUND)

CHECK HARNESS AND CONNECTOR (MAP LIGHT - BODY GROUND)

INSPECT MAP LIGHT

CHECK HARNESS AND CONNECTOR (NO. 3 ROOM LIGHT - MAP LIGHT AND BODY GROUND)

CHECK VEHICLE TYPE

CHECK HARNESS AND CONNECTOR (SPOT LIGHT - MAP LIGHT AND BODY GROUND)

CHECK HARNESS AND CONNECTOR (NO. 1 ROOM LIGHT - MAP LIGHT AND BODY GROUND)

LIGHTING SYSTEM - Illumination Circuit

DESCRIPTION

When a door is opened while the DOOR switch of the map light assembly is on, the map light assembly receives a door open signal from the main body ECU and turns on the corresponding lights.

WIRING DIAGRAM

Lighting System - Illumination Circuit. LIGHTING EXT. Land Cruiser URJ200 URJ202 GRJ200 VDJ200

INSPECTION PROCEDURE

1.PERFORM ACTIVE TEST USING INTELLIGENT TESTER

Operate the intelligent tester according to the steps on the display and select "Active Test".

Main Body
Tester Display	Test Part	Control Range	Diagnostic Note
Illuminated Entry System	Illumination light	OFF or ON	-

OK:
Light comes on.

Go to step 2

PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE ()

2.INSPECT FUSE (DOME2)

Remove the DOME2 fuse from the engine room junction block.

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

Standard Resistance:
Tester Connection Condition Specified Condition
DOME2 fuse Always Below 1 Ω

REPLACE FUSE

OK

3.CHECK VEHICLE TYPE

Check the vehicle type.

Result
Result	Proceed to
w/o Map Light	A
w/ Map Light	B

Go to step 5

A

4.CHECK HARNESS AND CONNECTOR (DOME LIGHT - MAP LIGHT AND BODY GROUND)

Disconnect the 2D ECU connector.

Disconnect the R13 light connector.

Lighting System - Illumination Circuit. LIGHTING EXT. Land Cruiser URJ200 URJ202 GRJ200 VDJ200

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

Standard Resistance:
Tester Connection Condition Specified Condition
2D-51 (ILE) - R13-2 (CTY) Always Below 1 Ω
R13-1 (B) - Body ground
R13-3 (E) - Body ground
2D-51 (ILE) - Body ground Always 10 kΩ or higher

Disconnect the R15 light connector.

Lighting System - Illumination Circuit. LIGHTING EXT. Land Cruiser URJ200 URJ202 GRJ200 VDJ200

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

Standard Resistance:
Tester Connection Condition Specified Condition
2D-51 (ILE) - R15-2 (DL) Always Below 1 Ω
R15-1 (DB) - Body ground
R15-3 (L) - Body ground
2D-51 (ILE) - Body ground Always 10 kΩ or higher

REPAIR OR REPLACE HARNESS AND CONNECTOR

REPLACE MAIN BODY ECU

5.CHECK HARNESS AND CONNECTOR (MAP LIGHT - BODY GROUND)

Lighting System - Illumination Circuit. LIGHTING EXT. Land Cruiser URJ200 URJ202 GRJ200 VDJ200

Disconnect the 2D ECU connector.

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

Standard Voltage:
Tester Connection Condition Specified Condition
R7-16 (+B3) - Body ground Always 11 to 14 V

REPAIR OR REPLACE HARNESS AND CONNECTOR

OK

6.INSPECT MAP LIGHT

Remove the map light ().

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

Standard Voltage:

Tester Connection	Switch Condition	Specified Condition
R7-31 (+B1) - R7-5 (RRVT)	Dome light switch off	Below 1 V
R7-31 (+B1) - R7-5 (RRVT)	Dome light switch on	11 to 14 V
R7-6 (RILL) - R7-32 (ILLB)	Dome light switch off	Below 1 V
R7-6 (RILL) - R7-32 (ILLB)	Dome light switch on	11 to 14 V

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

Standard Resistance:

Tester Connection	Switch Condition	Specified Condition
R7-9 (CTY) - Body ground	"Door" switch on and door open	Below 1 Ω
	"Door" switch off and door open	10 kΩ or higher
	"Door" switch on and door closed	10 kΩ or higher
	"Door" switch off and door closed	10 kΩ or higher
R7-17 (GND9) - Body ground	Always	Below 1 Ω

REPLACE MAP LIGHT ()

OK

7.CHECK HARNESS AND CONNECTOR (NO. 3 ROOM LIGHT - MAP LIGHT AND BODY GROUND)

Disconnect the R7 map light connector.

Disconnect the R6 light connector.

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

Standard Resistance:

Tester Connection	Condition	Specified Condition
R7-31 (+B1) - R6-1 (DB)	Always	Below 1 Ω
R7-5 (RRVT) - R6-3 (DL)
R6-2 (L) - Body ground
R7-31 (+B1) - Body ground	Always	10 kΩ or higher
R7-16 (RRVT) - Body ground

REPAIR OR REPLACE HARNESS AND CONNECTOR

OK

8.CHECK VEHICLE TYPE

Check the vehicle type.

Result
Result	Proceed to
w/ Sliding Roof	A
w/o Sliding Roof	B

Go to step 10

A

9.CHECK HARNESS AND CONNECTOR (SPOT LIGHT - MAP LIGHT AND BODY GROUND)

Disconnect the R7 map light connector.

Disconnect the R4 light connector.

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

Standard Resistance:
Tester Connection Condition Specified Condition
R7-32 (ILLB) - R4-1 (B) Always Below 1 Ω
R7-6 (RILL) - R4-2 (CTY)
R7-32 (ILLB) - Body ground Always 10 kΩ or higher
R7-6 (RILL) - Body ground

for LH:

Disconnect the R8 light connector.

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

Standard Resistance:
Tester Connection Condition Specified Condition
R7-32 (ILLB) - R8-2 (BL) Always Below 1 Ω
R7-1 (RGND) - R8-4 (E)
R7-32 (ILLB) - Body ground Always 10 kΩ or higher
R7-1 (RGND) - Body ground

for RH:

Disconnect the R9 light connector.

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

Standard Resistance:
Tester Connection Condition Specified Condition
R7-32 (ILLB) - R9-2 (BR) Always Below 1 Ω
R7-1 (RGND) - R9-4 (ER)
R7-32 (ILLB) - Body ground Always 10 kΩ or higher
R7-1 (RGND) - Body ground

REPAIR OR REPLACE HARNESS AND CONNECTOR

REPLACE MAIN BODY ECU

10.CHECK HARNESS AND CONNECTOR (NO. 1 ROOM LIGHT - MAP LIGHT AND BODY GROUND)

Disconnect the R7 map light connector.

Disconnect the R12 light connector.

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

Standard Resistance:

Tester Connection	Condition	Specified Condition
R7-32 (ILLB) - R12-1 (B)	Always	Below 1 Ω
R7-6 (RILL) - R12-3 (CTY)
R12-2 (E) - R7-1 (RGND)
R7-32 (ILLB) - Body ground	Always	10 kΩ or higher
R7-6 (RILL) - Body ground

REPAIR OR REPLACE HARNESS AND CONNECTOR

REPLACE MAIN BODY ECU