Echo L4-1.5L (1NZ-FE) (2000)
Overdrive Indicator Lamp: Testing and Inspection
CIRCUIT DESCRIPTION
The O/D main switch is a momentary type switch. When pressing the O/D main switch, the O/D OFF indicator light lights up and ECM prohibits shifting
to O/D, and when pressing it again, the O/D OFF indicator light goes off and ECM allows shifting to O/D. Turning the IG switch OFF will reset the O/D
OFF indicator light.
WIRING DIAGRAM