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Home >> Lexus >> 2022 >> RX 450h Base >> 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 [10/2015 - ] >> System Diagram [10/2015 - ]
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System Diagram [10/2015 - ]

Fig 1: Front Power Seat Control System Diagram (W/ Memory) (1 Of 4)
GTY637452Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Fig 2: Front Power Seat Control System Diagram (W/ Memory) (2 Of 4)
GTY664572Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Fig 3: Front Power Seat Control System Diagram (W/ Memory) (3 Of 4)
GTY646863Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Fig 4: Front Power Seat Control System Diagram (W/ Memory) (4 Of 4)
GTY669244Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
COMMUNICATION TABLE

Sender Receiver Signal Line
Hybrid Vehicle Control ECU Assembly Main Body ECU (Multiplex Network Body ECU)
  • Transmission information
  • Shift position P signal
CAN
Outer Mirror Control ECU Assembly (Driver Door) Main Body ECU (Multiplex Network Body ECU)
  • M1 switch signal
  • M2 switch signal
  • M3 switch signal
  • SET switch signal
CAN
Main Body ECU (Multiplex Network Body ECU) Position Control ECU and Switch Assembly LH
  • Shift position P signal
  • Vehicle speed signal
  • Transmission information
  • Driving position buzzer request
  • Driver seat position request
  • Driver seat position data
CAN
Certification ECU (Smart Key ECU Assembly) Main Body ECU (Multiplex Network Body ECU)
  • Power switch signal
  • Memory call replay request
  • Key identification No. 1 to No. 7 acquisition condition
CAN
Position Control ECU and Switch Assembly LH Main Body ECU (Multiplex Network Body ECU)
  • State signal of driver seat
  • State signal of driving position buzzer
CAN
Multiplex Network Master Switch Assembly Main Body ECU (Multiplex Network Body ECU) Door control switch signal LIN