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

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 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

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 RL Speed Sensor Wrong Installation (X0453)

DESCRIPTION Code Tester Display Measurement Item Trouble Area X0453 RL Speed Sensor Wrong Installation History of rear speed sensor LH being installed incorrectly Rear Speed Sensor LH PROCEDURE 1. CHECK FOR DTCs (HEALTH CHECK) (a) Perform the Health Check using the Tec

 Precaution

PRECAUTION NOTICE: This vehicle is equipped with an SRS (Supplemental Restraint System). Failure to carry out service operations in the correct sequence could cause the SRS to unexpectedly deploy during servicing. This may cause a serious accident. Before servicing (including inspection, replacem

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