Lexus NX: System Diagram

SYSTEM DIAGRAM

Communication Table

Sender

Receiver

Signal

Line

Brake booster with master cylinder assembly (skid control ECU)

Stereo component equalizer assembly

Vehicle speed signal

CAN

Hybrid vehicle control ECU

Stereo component equalizer assembly

Engine speed signal

Accelerator pedal angle signal

Integration sports mode indicator signal

Shift position P signal

Shift position R signal

Shift position D signal

Shift position N signal

Sport mode indicator signal

Shift gear signal

Engine mode ID signal

ECO mode indicator signal

Hybrid vehicle control ECU

Integration sports mode signal

Main body ECU (multiplex network body ECU)

Stereo component equalizer assembly

Trip count signal

Time count signal

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 System Description

SYSTEM DESCRIPTION ASC SYSTEM (a) The ASC system uses a stereo component equalizer assembly to electronically generate a driving sound. Simulated engine sounds are output from the No. 1 speaker assemb

 How To Proceed With Troubleshooting

CAUTION / NOTICE / HINT HINT: Use the following procedure to troubleshoot the ASC system. *: Use the Techstream. PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP NEXT 2.

 Operation Check

OPERATION CHECK INSPECT ASC SYSTEM OPERATION CAUTION: Check for safety before performing any tests. HINT: When the drive mode changes to a mode other than NORMAL, SPORT or CUSTOMIZE*, the simulated en

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 Diagnostic Trouble Code Chart

DIAGNOSTIC TROUBLE CODE CHART Smart Access System with Push-button Start (for Start Function) DTC No. Detection Item Link B2271 Ignition Hold Monitor Malfunction B2274 ACC Monitor Malfunction B2275 STSW Monitor Malfunction B2277 Detecting Vehicle Submers

 Initialization

INITIALIZATION NOTICE: The necessary procedures (adjustment, calibration, initialization or registration) that must be performed after parts are removed and installed, or replaced during headlight ECU sub-assembly LH removal/installation are shown below. Performed Work or System Condition Ne

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