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Home >> Toyota >> 2001 >> Sienna XLE >> Repair and Diagnosis >> External Pages >> Different car >> Section 61 (Automatic Transmission Diagnosis - U140E & U140F) >> Circuit Tests >> Overdrive Main Switch Circuit (CAMRY) >> Circuit Description

Circuit Description

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2002 Toyota RAV4, 2002 Toyota Highlander, 2002 Toyota Camry, 2002 Lexus RX 300, and 2001 Toyota RAV4. However, it is still accessible from the selected car via links, so may be relevant.

The O/D main switch is a momentary type switch. When pressing the O/D main switch, the O/D OFF indicator light illuminates 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 ignition switch OFF will reset the O/D OFF indicator light.