Last Modified: 7-3-2017 6.8:8.0.40 Doc ID: RM0000018BL009X
Model Year Start: 2007 Model: LX470 Prod Date Range: [08/2006 -           ]
Title: LIGHTING: LIGHTING SYSTEM: Door Courtesy Switch Circuit; 2007 MY LX470 [08/2006 -        ]

Door Courtesy Switch Circuit

DESCRIPTION

The door courtesy light comes on when the door is opened and goes off when closed.

WIRING DIAGRAM

INSPECTION PROCEDURE

HINT:

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

PROCEDURE

1.

READ VALUE USING INTELLIGENT TESTER (DOOR COURTESY SWITCH)*1

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

(b) Check that the door courtesy switch operate in DATA LIST 2007 MY LX470 [08/2006 -        ]; LIGHTING: LIGHTING SYSTEM: DATA LIST / ACTIVE TEST .

OK

PROCEED TO NEXT CIRCUIT INSPECTION SHOWN ON PROBLEM SYMPTOMS TABLE

NG

2.

INSPECT DOOR COURTESY SWITCH ASSEMBLY*2

(a) Inspect the front door courtesy light switch 2007 MY LX470 [08/2006 -        ]; LIGHTING: FRONT DOOR COURTESY SWITCH: ON-VEHICLE INSPECTION .

(b) Inspect the rear door courtesy light switch 2007 MY LX470 [08/2006 -        ]; LIGHTING: REAR DOOR COURTESY SWITCH: ON-VEHICLE INSPECTION .

(c) Inspect the back door courtesy switch 2007 MY LX470 [08/2006 -        ]; LIGHTING: BACK DOOR COURTESY SWITCH: ON-VEHICLE INSPECTION .

NG

REPLACE DOOR COURTESY LIGHT SWITCH ASSEMBLY

OK

3.

CHECK WIRE HARNESS (DOOR COURTESY SWITCH - BODY ECU (MAIN))
NG

REPAIR OR REPLACE HARNESS AND CONNECTOR

OK

PROCEED TO NEXT CIRCUIT INSPECTION SHOWN ON PROBLEM SYMPTOMS TABLE