Highlander 2WD V6-3.0L (1MZ-FE) (2003)
Malfunction Indicator Lamp - A/T: 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 the ECM prohibits
shifting into O/D, and when pressing it once again, the O/D OFF indicator light goes off and the ECM allows shifting into O/D. Turning the IG switch
OFF will reset the O/D OFF indicator light.
Wiring Diagram