Land Cruiser URJ200 URJ202 GRJ200 VDJ200 - LIGHTING EXT

DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

PERFORM ACTIVE TEST USING INTELLIGENT TESTER

INSPECT FUSE (RR FOG, TAIL)

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

CHECK HARNESS AND CONNECTOR (REAR FOG LIGHT ASSEMBLY - MAIN BODY ECU AND BODY GROUND)

LIGHTING SYSTEM - Rear Fog Light Circuit

DESCRIPTION

The main body ECU receives a rear fog light switch information signal from the light control switch (rear fog switch), and illuminates the rear fog lights.


WIRING DIAGRAM

Lighting System - Rear Fog Light 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 DisplayTest PartControl RangeDiagnostic Note
Rear Fog Light RelayRear fog lightON or OFF-
  • OK:
  • Fog light turns on/turns off.
NG
Go to step 2
OK
PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE ()
2.INSPECT FUSE (RR FOG, TAIL)

Remove the RR FOG fuse and TAIL fuse from the main body ECU.

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

  • Standard Resistance:
  • Tester ConnectionConditionSpecified Condition
    RR FOG fuseAlwaysBelow 1 Ω
    TAIL fuse
NG
REPLACE FUSE
OK
3.CHECK HARNESS AND CONNECTOR (MAIN BODY ECU - BODY GROUND)
Lighting System - Rear Fog Light Circuit. LIGHTING EXT. Land Cruiser URJ200  URJ202 GRJ200 VDJ200

Disconnect the 2A ECU connector.

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

  • Standard Voltage:
  • Tester ConnectionConditionSpecified Condition
    2A-1 - Body groundAlways11 to 14 V
NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK
4.CHECK HARNESS AND CONNECTOR (REAR FOG LIGHT ASSEMBLY - MAIN BODY ECU AND BODY GROUND)

Disconnect the 2C ECU connector.

Lighting System - Rear Fog Light Circuit. LIGHTING EXT. Land Cruiser URJ200  URJ202 GRJ200 VDJ200

for LH:


Disconnect the O6 rear fog light connector.

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

  • Standard Resistance:
  • Tester ConnectionConditionSpecified Condition
    2C-8 (RFGO) - O6-2AlwaysBelow 1 Ω
    O6-1 - Body ground
    O6-2 - Body groundAlways10 kΩ or higher

for RH:


Disconnect the O5 rear fog light connector.

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

  • Standard Resistance:
  • Tester ConnectionConditionSpecified Condition
    2C-8 (RFGO) - O5-2AlwaysBelow 1 Ω
    O5-1 - Body ground
    O5-2 - Body groundAlways10 kΩ or higher
NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK
REPLACE MAIN BODY ECU