Tundra 4WD V8-4.7L (2UZ-FE) (2003)
Overdrive Indicator Lamp: Testing and Inspection
O/D Off Indicator Light Remains ON
CIRCUIT DESCRIPTION
If the O/D main switch is pressed while the O/D OFF indicator is off, the O/D indicator will light up. If the O/D main switch is pressed while the O/D
OFF indicator is on, the O/D indicator will go off (the ignition switch ON).
Wiring Diagram