Last Modified: 7-3-2017 6.8:8.0.40 Doc ID: RM0000017AK006X
Model Year Start: 2007 Model: LX470 Prod Date Range: [08/2006 -           ]
Title: DOOR LOCK: WIRELESS DOOR LOCK CONTROL SYSTEM: ECU Power Source Circuit; 2007 MY LX470 [08/2006 -        ]

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