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Home >> Toyota >> 2004 >> Tundra Base, Automatic >> Repair and Diagnosis >> Transmission >> Transmission Control Systems >> Automatic Transmission Control System - Diagnostics >> O/D Off Indicator Light Does Not Light Up >> Circuit Description
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Circuit Description

If the O/D main switch is pressed while the O/D OFF indicator is off, the O/D indicator will turn on. If the O/D main switch is pressed while the O/D OFF indicator is on, the O/D indicator will turn off (the ignition switch ON).