Corolla LE Sedan O/D Cancel Signal Circuit Test & Inspection (1999)
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Overdrive Switch: Testing and Inspection
O/D Main Switch & O/D Off Indicator Light Circuit
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
