toyota Workshop Repair Guides

Toyota Workshop Service and Repair Manuals

Door Switch > < Refrigerant Pressure Sensor / Switch, HVAC|Testing and Inspection|Page 317
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Dimmer Switch: Testing and Inspection

METER ILLUMINATION CONTROL SYSTEM

INSPECT LIGHT CONTROL RHEOSTAT
a. Turn the rheostat knob OFF. and check that there is no continuity between terminals. (Rheostat knob turned to fully counterclockwise.)
b. Gradually, turn the rheostat knob from the dark side to bright side, and check that the resistance decreases from 10 - 0 Ohms.(Rheostat knob

turned to clockwise.) 
If operation is not as specified. replace the rheostat.

Door Switch > < Refrigerant Pressure Sensor / Switch, HVAC|Testing and Inspection|Page 317