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Home >> Toyota >> 2001 >> Sienna CE >> Repair and Diagnosis >> External Pages >> Different car >> Section 452 (Power Seat Control System - Diagnosis) >> Circuit Inspection >> Lumbar Support Switch and Motor Circuit >> Circuit Description

Circuit Description

WARNING: This page is about a different car, the 2003 Lexus LS 430. However, it is still accessible from the selected car via links, so may be relevant.

Pressing the lumber switch activates the lumber support motor.

Because the lumber support switch is not connected to the driver seat ECU, pressing this switch does not operate ECU operations such as the memory function.

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