Last Modified: 7-3-2017 6.8:8.0.40 Doc ID: RM0000017AM003X
Model Year Start: 2007 Model: LX470 Prod Date Range: [08/2006 -           ]
Title: DOOR LOCK: WIRELESS DOOR LOCK CONTROL SYSTEM: Wireless Door Lock Buzzer Circuit; 2007 MY LX470 [08/2006 -        ]

Wireless Door Lock Buzzer Circuit

SYSTEM DESCRIPTION

  • The volume of the buzzer can be controlled or turned OFF with the volume switch.

WIRING DIAGRAM

INSPECTION PROCEDURE

PROCEDURE

1.

INSPECT WIRELESS DOOR LOCK BUZZER

(a) Remove the wireless door lock buzzer.

(b) Measure the resistance of the wireless door lock buzzer.

Standard resistance:

Approximately 1 kΩ

NG

REPLACE WIRELESS DOOR LOCK BUZZER

OK

2.

CHECK OPERATION SIGNAL

(a) Measure the signal between terminal BZR and body ground, when the transmitter is ON and OFF.

OK:

Door Lock position

Lock

Unlock

Signal

One signal

Two signals

NG

PROCEED TO NEXT CIRCUIT INSPECTION SHOWN ON PROBLEM SYMPTOMS TABLE

OK

REPAIR OR REPLACE HARNESS AND CONNECTOR