Lexus ES manuals

Lexus ES: System Description

SYSTEM DESCRIPTION

ACTIVE NOISE CONTROL SYSTEM

(a) The active noise control system is a system that detects muffled engine sounds produced in sync that fluctuates according to the engine speed, by using the active noise control microphone and outputs anti-phase control sound through the audio speakers to reduce muffled engine sounds.

The active noise control system includes the following functions.

Function Name

Function Description

Operation Conditions

ANC (Active Noise Control) Function

Function that reduces noise by using anti-phase and vibration control sound to interfere with muffled sounds

Engine running

ESE (Engine Sound Enhancement) Function

Function that produces realistic engine sounds by adding frequency component sound according to driving conditions such as vehicle speed and accelerator pedal depression

Both of the following conditions are met:

  • Engine running, vehicle speed exceeding 0 km/h (0 mph)
  • Drivemode "Sport S+", "Sport S" or "Custom" (Power) is selected.

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 System Diagram

SYSTEM DIAGRAM

 Terminals Of Ecu

TERMINALS OF ECU STEREO COMPONENT EQUALIZER ASSEMBLY Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition G15-1 (CANH) P CAN communication signal

 Lost Communication With ECM/PCM "A" Missing Message (U010087,U012987,U014087,U016487)

DESCRIPTION These DTCs are stored when a malfunction occurs in the CAN communication circuit. DTC No. Detection Item DTC Detection Condition Trouble Area U010087 Lost Communication With

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 Installation

INSTALLATION PROCEDURE 1. INSTALL TRANSMISSION CONTROL CABLE ASSEMBLY (a) Pass the transmission control cable assembly into the vehicle and install the transmission control cable assembly to the vehicle body with the 2 nuts. Torque: 6.0 N·m {61 kgf·cm, 53 in·lbf} (b) Connect the transmission con

 Customize Parameters

CUSTOMIZE PARAMETERS CUSTOMIZING WITH REMOTE TOUCH (a) Customizing with the touch function cancellation function. (w/ Touch Function Cancellation Function) NOTICE: Confirm the touchpad surface is free of foreign matter before customizing. (1) Turn the engine switch on (ACC). (2) Simultaneously press

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