Supra L6-2997cc 3.0L DOHC MFI (1998)
Overdrive Indicator Lamp: Testing and Inspection
O/D Main Switch & O/D Off Indicator Light Circuit
CIRCUIT DESCRIPTION
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 in OFF
position the O/D OFF indicator light lights up, and the ECM prohibits shifting overdrive.
WIRING DIAGRAM
INSPECTION PROCEDURE