Last Modified: 7-3-2017 6.8:8.0.40 Doc ID: RM0000018BL00AX
Model Year Start: 2007 Model: LX470 Prod Date Range: [08/2006 -           ]
Title: DOOR LOCK: KEY REMINDER WARNING 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 it is closed.

WIRING DIAGRAM

INSPECTION PROCEDURE

HINT:

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

PROCEDURE

1.

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

(a) Check the DATA LIST for proper functioning of the door courtesy switch 2007 MY LX470 [08/2006 -        ]; DOOR LOCK: KEY REMINDER WARNING SYSTEM: DATA LIST / ACTIVE TEST .

OK

PROCEED TO NEXT CIRCUIT INSPECTION SHOWN ON PROBLEM SYMPTOMS TABLE

NG

2.

CHECK DOOR COURTESY SWITCH ASSEMBLY *2

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

NG

REPLACE DOOR COURTESY 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