Lexus ES manuals

Lexus ES: System Diagram

SYSTEM DIAGRAM

Communication Table

Sender

Receiver

Signal

Line

Radio Receiver Assembly

Multi-display Assembly

Camera information signal

GVIF

Radio Receiver Assembly

Rear Television Camera Assembly

Setting information signal

CAN

Steering Sensor

Rear Television Camera Assembly

Steering angle signal

CAN

Hybrid Vehicle Control ECU

Rear Television Camera Assembly

  • Vehicle information signal
  • Reverse signal

CAN

Main Body ECU (Multiplex Network Body ECU)

Rear Television Camera Assembly

  • Luggage compartment door courtesy switch signal
  • Vehicle information signal

CAN

Blind Spot Monitor Sensor*1

Rear Television Camera Assembly

RCTA information signal

CAN

Clearance Warning ECU Assembly*2

Rear Television Camera Assembly

Sonar information signal

CAN

  • *1: w/ Blind Spot Monitor System
  • *2: w/ Parking Support Alert System

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 Terminals Of Ecu

TERMINALS OF ECU REAR TELEVISION CAMERA ASSEMBLY (a) Disconnect the T1 rear television camera assembly connector. (b) Measure the voltage on the wire harness side connector according to the value(s)

 Lost Communication with ECM / PCM "A" (U0100,U0126,U0140,U0163,U0233,U1110)

DESCRIPTION These DTCs are stored if there is a malfunction in the CAN communication system connected to the rear television camera assembly. HINT: If CAN communication system DTCs are stored, they ma

 CAN Communication Failure (Message Registry) (U1000)

DESCRIPTION This DTC is stored when the rear television camera assembly judges that it has an internal CAN malfunction. DTC No. Detection Item DTC Detection Condition Trouble Area U1000

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 Steering Pad Switch Circuit

DESCRIPTION This circuit sends an operation signal from the steering pad switch assembly to the radio receiver assembly. If there is an open in the circuit, the navigation system cannot be operated using the steering pad switch assembly. If there is a short in the circuit, the same condition as when

 Inspection

INSPECTION PROCEDURE 1. INSPECT BRAKE ACTUATOR ASSEMBLY (a) Inspect the solenoid circuit. (1) Make sure that there is no looseness at the locking part and the connecting part of the connector. OK: The connector is securely connected. *a Component without harness connected (Brake Actuator Asse

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