Last Modified: 6-7-2017 6.8:8.0.40 Doc ID: RM0000018BN004X
Model Year Start: 2007 Model: Land Cruiser Prod Date Range: [08/2006 -           ]
Title: LIGHTING: LIGHTING SYSTEM: Headlight Relay Circuit; 2007 MY Land Cruiser [08/2006 -        ]

Headlight Relay Circuit

DESCRIPTION

The headlight dimmer switch sends a signal to the body ECU.

WIRING DIAGRAM

INSPECTION PROCEDURE

HINT:

When using the intelligent tester, start from *1. When not using the intelligent tester, start from *2.

PROCEDURE

1.

PERFORM ACTIVE TEST USING INTELLIGENT TESTER (HEADLIGHT RELAY)*1

(a) Connect the intelligent tester (with CAN VIM) to the DLC3.

(b) Check that the headlight relay operates using the ACTIVE TEST 2007 MY Land Cruiser [08/2006 -        ]; LIGHTING: LIGHTING SYSTEM: DATA LIST / ACTIVE TEST .

OK

PROCEED TO NEXT CIRCUIT INSPECTION SHOWN ON PROBLEM SYMPTOMS TABLE

NG

2.

CHECK HEADLIGHT RELAY CIRCUIT*2
NG

REPLACE ENGINE ROOM JUNCTION BLOCK ASSEMBLY

OK

PROCEED TO NEXT CIRCUIT INSPECTION SHOWN ON PROBLEM SYMPTOMS TABLE