LS 460 RWD V8-4.6L (1UR-FSE) (2010)
Dimmer Switch: Symptom Related Diagnostic Procedures
METER: METER / GAUGE SYSTEM: Operating Light Control Rheostat does not Change Light Brightness
- Operating Light Control Rheostat does not Change Light Brightness
DESCRIPTION
The No. 1 meter ECU receives signals for adjusting illumination on the meter of this circuit. The No. 1 meter ECU detects the illumination level selected
by the user according to the switch operation.
HINT
The meter illumination level can be adjusted by pushing the rheostat UP and DOWN switches.
WIRING DIAGRAM
INSPECTION PROCEDURE
PROCEDURE
1. READ VALUE USING TECHSTREAM (LIGHT CONTROL RHEOSTAT)
(a) Operate the Techstream according to the display and select "Data List".
OK:
Switch condition (ON/OFF) can be switched by actual operation.
NG -- INSPECT LIGHT CONTROL RHEOSTAT