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Home >> Toyota >> 2012 >> Sienna Base, Van Cargo >> Repair and Diagnosis (Single Page) >> Body & Frame >> Seats >> Front Power Seat Control System (W/ Memory) (Diagnostics - Introduction) >> FRONT POWER SEAT CONTROL SYSTEM (w/ Memory) >> System Diagram >> System Diagram
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System Diagram

Fig 1: Front Power Seat Control System Diagram (Driver Side)
GTY307387Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
COMMUNICATION TABLE

Sender Receiver Signal Line
ECM Main body ECU
  • Transmission information
  • Shift position P signal
CAN
Outer mirror control ECU assembly LH Main body ECU
  • Seat memory switch M1 signal
  • Seat memory switch M2 signal
  • Seat memory switch SET signal
CAN
Main body ECU Front power seat switch LH
  • Engine switch signal
  • Shift position P signal
  • Parking brake switch signal
  • Transmission information
  • Driver's position buzzer request
  • Driver seat return and away position data
  • Driver seat position request
  • Driver seat position data
CAN
Certification ECU Main body ECU
  • Smart memory call replay request
  • Key identification No. 1 to No. 7 acquisition condition
CAN
Front power seat switch LH Main body ECU
  • State signal of driver seat
  • State signal of driver position buzzer
  • Driver's seat belt buckle switch status
CAN
Fig 2: Front Power Seat Control System Diagram (Passenger Side)
GTY305652Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002