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Home >> Toyota >> 2001 >> Sienna CE >> Repair and Diagnosis >> External Pages >> Different car >> Section 140 (Power Seats) >> Component Tests >> Power Seat Motor Circuit >> Circuit Description

Circuit Description

WARNING: This page is about a different car, the 2002 Lexus ES 300. However, it is still accessible from the selected car via links, so may be relevant.

In this memory system, a seat position sensor is not used. Instead of that, the seat position is detected by a pulse which occurs while the motor is operating. If no pulse is output from the motor, the motor will stop operating. If an abnormal pulse is output from the motor and the motor does not operate by the seat memory switch, the motor can operate by operating the power seat switch for 10 seconds or more.