Celica L4-1.8L (2ZZ-GE) (2005)
Dimmer Switch: Testing and Inspection
INSPECT LIGHT CONTROL RHEOSTAT OPERATION
Gradually, turn the rheostat knob from the bright side to dark side and check that the resistance decreases from 10 kohm to 0 ohm between terminal 2
and 1. (Rheostat knob turned to clockwise)
If operation is not as specified, replace the rheostat light control.