Meter / Gauge System Operating Light Control Rheostat Does Not Change Light Brightness

Body Electrical. Lexus Gs430, Gs300. Uzs190 Grs190
Meter. Lexus Gs430, Gs300. Uzs190 Grs190

WIRING DIAGRAM

INSPECTION PROCEDURE

CHECK MULTIPLEX COMMUNICATION SYSTEM

READ VALUE OF INTELLIGENT TESTER

METER / GAUGE SYSTEM - Operating Light Control Rheostat does not Change Light Brightness


WIRING DIAGRAM


Lexus Gs430, Gs300. Uzs190 Grs190.Meter.Meter / Gauge System.Meter / Gauge System Operating Light Control Rheostat Does Not Change Light Brightness


INSPECTION PROCEDURE

1.CHECK MULTIPLEX COMMUNICATION SYSTEM
Please follow these procedures (Click here).
If the multiplex communication system is operating normally, proceed to the next step.

NEXT


2.READ VALUE OF INTELLIGENT TESTER

  1. Operate the intelligent tester according to the display and select the "Data List".

    Integration control and panel assembly:

    Item
    		Measurement Item / Range (Display)
    		Normal Condition
    		Diagnostic Note
    Rheostat Up SW
    		Rheostat Up switch/ ON or OFF
    		ON: Switch is pushed
    OFF: Switch is not pushed
    		-
    Rheostat Down SW
    		Rheostat Down switch/ ON or OFF
    		ON: Switch is pushed
    OFF: Switch is not pushed
    		-
    OK:
    Switch condition (ON/OFF) can be switched by actual operation.


NG
REPLACE INTEGRATION CONTROL AND PANEL ASSEMBLY
OK

REPLACE COMBINATION METER