Corolla LE Sedan L4-1.8L (1ZZ-FE) (1999)
Overdrive Indicator Lamp: Testing and Inspection
CIRCUIT INSPECTION
The O/D main switch contacts go open when the switch is pushed in and go closed when it is pushed once again. In O/D main switch OFF position, the
O/D OFF indicator light lights up, and the ECM prohibits shifting to O/D.
WIRING DIAGRAM