Last Modified: 4-30-2014 6.6 J Doc ID: RM0000017AK003X
Model Year: 2006 Model: LX470 Prod Date Range: [05/2005 -           ]
Title: DOOR LOCK: WIRELESS DOOR LOCK CONTROL SYSTEM: ECU Power Source Circuit; 2006 MY LX470 [05/2005 -        ]

ECU Power Source Circuit

SYSTEM DESCRIPTION

  • Battery positive (+) voltage is continuously applied to terminal +B of the door control receiver.

WIRING DIAGRAM

INSPECTION PROCEDURE

PROCEDURE

1.

CHECK DOOR CONTROL RECEIVER (+B VOLTAGE)

(a) Remove the door control receiver connector being connected.

(b) Measure voltage between terminal +B of ECU connector and ground.

Standard voltage:

10 to 14 V

OK

PROCEED TO NEXT CIRCUIT INSPECTION SHOWN ON PROBLEM SYMPTOMS TABLE

NG

2.

CHECK WIRE HARNESS (RECEIVER - BATTERY AND BODY GROUND)
NG

REPAIR OR REPLACE HARNESS AND CONNECTOR

OK

PROCEED TO NEXT CIRCUIT INSPECTION SHOWN ON PROBLEM SYMPTOMS TABLE