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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 Lost Communication with Wiper System LIN BUS (B1373)

DESCRIPTION The main body ECU (multiplex network body ECU) and windshield wiper motor assembly communicate via LIN communication. The main body ECU (multiplex network body ECU) stores this DTC if communication becomes abnormal. DTC No. Detection Item DTC Detection Condition Trouble Area M

 Diagnostic Trouble Code Chart

DIAGNOSTIC TROUBLE CODE CHART Electronically Controlled Brake System DTC No. Detection Item INF Code MIL Note Link C1202 Master Reservoir Level Malfunction 1126 Comes on INF Code 1126: SAE Code C1202 Electronically controlled brake system DTC HINT: DTC C1202 (INF cod

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