Overdrive Indicator Lamp: Testing and Inspection

O/D MAIN SWITCH & O/D OFF INDICTOR LIGHT CIRCUIT

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 ignition switch off will reset the O/D OFF indicator light.

Wiring Diagram:

Step 1 - 3:

Step 4 - 5:

INSPECTION PROCEDURE