Avalon XL V6-3.0L (1MZ-FE) (1997)
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Overdrive Indicator Lamp: Description and Operation
CIRCUIT DESCRIPTION
The O/D main switch contacts go open when the switch is pushed in and go closed when it is pushed out. If O/D main switch is at OFF position,
the O/D OFF indicator light lights up, and the ECM prohibits shifting overdrive.
