Lexus ES manuals

Lexus ES: System Diagram

SYSTEM DIAGRAM

Communication Table

Sender

Receiver

Signal

Line

Main Body ECU (Multiplex Network Body ECU)

Outer Mirror Control ECU Assembly

  • IG signal
  • ACC signal
  • Outer mirror switch assembly signal
  • Mirror position request signal (memory and reactivation function)
  • Mirror position request signal (reverse shift-linked function)

CAN

Outer Mirror Control ECU Assembly

Main Body ECU (Multiplex Network Body ECU)

  • Outer mirror state signal
  • Seat memory switch signal

CAN

Certification ECU (Smart Key ECU Assembly)

Main Body ECU (Multiplex Network Body ECU)

Key ID signal

CAN

Air Conditioning Amplifier Assembly

Outer Mirror Control ECU Assembly

Mirror heater drive request signal

CAN

ECM

Main Body ECU (Multiplex Network Body ECU)

Reverse signal

CAN

Rear Window Defogger switch (Air Conditioning Control Assembly)

Air Conditioning Amplifier Assembly

Mirror heater switch (rear window defogger switch) operation signal

LIN

READ NEXT:

 How To Proceed With Troubleshooting

CAUTION / NOTICE / HINT HINT: Use the following procedure to troubleshoot the power mirror control system (w/ Memory). *: Use the Techstream. PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP

 Customize Parameters

CUSTOMIZE PARAMETERS CUSTOMIZE POWER MIRROR CONTROL SYSTEM (w/ Memory) NOTICE: When the customer requests a change in a function, first make sure that the function can be customized. Record the c

 Operation Check

OPERATION CHECK CHECK ELECTRICAL REMOTE CONTROL MIRROR FUNCTION (a) Turn the engine switch on (IG). (b) b. With the mirror select switch driver side switch on, check that the outer rear view mirror as

SEE MORE:

 Generator High-voltage Circuit

DESCRIPTION The cause of this malfunction may be the generator high-voltage circuit. Check the generator internal resistance and the connection condition of the high-voltage line between the inverter and generator to check whether there is an open or short circuit. Related Parts Check Area Insp

 Grille Shutter Communication Stop Mode

DESCRIPTION Detection Item Symptom Trouble Area Grille Shutter Communication Stop Mode Any of the following conditions are met: Communication stop for "Grill Shutter" is indicated on the "Communication Bus Check" screen of the Techstream. Click here Communication stop history fo

© 2016-2026 Copyright www.lexguide.net