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

Hybrid Vehicle Control ECU

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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 System Description

SYSTEM DESCRIPTION POWER MIRROR CONTROL SYSTEM (w/ Memory) DESCRIPTION (a) This system has the following functions: electrical remote control mirror function, memory and reactivation function, power r

 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

 Operation Check

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

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 Data List / Active Test

DATA LIST / ACTIVE TEST DATA LIST HINT: Using the Techstream to read the Data List allows the values or states of switches, sensors, actuators and other items to be read without removing any parts. This non-intrusive inspection can be very useful because intermittent conditions or signals may be dis

 Installation

INSTALLATION PROCEDURE 1. INSTALL CHECK VALVE GROMMET (a) Install a new check valve grommet to the brake booster assembly. 2. INSTALL VACUUM WARNING SWITCH ASSEMBLY (a) Install the vacuum warning switch assembly to the brake booster assembly as shown in the illustration. *a 30° +/- 20°

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