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Home >> Toyota >> 2001 >> Highlander 2WD V6-3.0L (1MZ-FE) >> Repair and Diagnosis >> Powertrain Management >> Transmission Control Systems >> Sensors and Switches - Transmission and Drivetrain >> Sensors and Switches - A/T >> Overdrive Switch >> Testing and Inspection >> O/D Main Switch

O/D Main Switch

O/D Main Switch & O/D OFF Indicator 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 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.






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INSPECTION PROCEDURE
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