Tacoma Extra Cab 2WD V6-3.4L (5VZ-FE) (1998)
Overdrive Indicator Lamp: Testing and Inspection
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 out. In O/D main switch at OFF position, the
O/D OFF indicator light lights up and the ECM prohibits shifting O/D.
WIRING DIAGRAM