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

Vehicle Interior. Land Cruiser. Urj200, 202 Grj200 Vdj200
Meter Gauge Display. Land Cruiser. Urj200, 202 Grj200 Vdj200

DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

READ VALUE USING GTS (LIGHT CONTROL RHEOSTAT)

INSPECT LIGHT CONTROL RHEOSTAT

CHECK HARNESS AND CONNECTOR (COMBINATION METER - LIGHT CONTROL RHEOSTAT)

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


DESCRIPTION

w/ Multi-information Display:
When the light control rheostat knob is turned to the left, the combination meter and vehicle interior illumination will become brighter. When the light control rheostat knob is turned to the right, the combination meter and vehicle illumination will dim.

WIRING DIAGRAM


Land Cruiser. Urj200, 202 Grj200 Vdj200.Meter Gauge Display.Meter / Gauge System.Meter / Gauge System Operating Light Control Rheostat Does Not Change Light Brightness


INSPECTION PROCEDURE

1.READ VALUE USING GTS (LIGHT CONTROL RHEOSTAT)

  1. Operate the GTS according to the display and select Data List (Click here).

    Combination Meter
    Tester Display
    		Measurement Item/Range
    		Normal Condition
    		Diagnostic Note
    Tail Cancel SW*
    		TAIL cancel switch condition/ON or OFF
    		ON: TAIL cancel switch ON
    OFF: TAIL cancel switch OFF
    		-
    Rheostat value
    		Light control rheostat switch input/Min.: 0, Max.: 100
    		Light control rheostat switch is fully turned right (0) → fully turned left (100)
    		Unit: %
    HINT:
    *: w/ TAIL Cancel Switch
    OK:
    Light brightness can be changed within specified range by manual operation.


NG
Go to step 2
OK

REPLACE COMBINATION METER ASSEMBLY (Click here)

2.INSPECT LIGHT CONTROL RHEOSTAT

  1. Remove the light control rheostat (Click here).

  1. Inspect the light control rheostat (Click here).



NG
REPLACE LIGHT CONTROL RHEOSTAT (Click here)
OK


3.CHECK HARNESS AND CONNECTOR (COMBINATION METER - LIGHT CONTROL RHEOSTAT)

  1. Disconnect the E119 meter connector.

  1. Disconnect the E9 rheostat connector.

  1. Measure the resistance according to the value(s) in the table below.

    Standard Resistance:
    Tester Connection
    		Condition
    		Specified Condition
    E119-30 (ILL+) - E9-5 (T)
    		Always
    		Below 1 Ω
    E119-31 (TR) - E9-7 (TR)
    E119-19 (E2) - E9-1 (E)
    E119-32 (TC) - E9-6 (TC)


NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK

REPLACE COMBINATION METER ASSEMBLY (Click here)