FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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Overdrive Indicator Lamp: Testing and Inspection

CIRCUIT DESCRIPTION

The O/D main switch is a momentary type switch. When pressing the O/D OFF main switch, the O/D OFF indicator light lights up and the ECM prohibits shifting to O/D. When pressing it again, the O/D OFF indicator light turns off and the ECM allows shifting to O/D. Turning the ignition switch OFF will reset the O/D OFF indicator light.

Wiring Diagram:






Step 1 - 2:




Step 3 - 4:




Step 5:




INSPECTION PROCEDURE