Lexus NX: System Diagram

SYSTEM DIAGRAM

Communication Table

Sender

Receiver

Signal

Line

Clearance Warning ECU Assembly

Combination Meter Assembly

  • Sonar information signal
  • Control status signal

CAN Communication Line

ECM

Clearance Warning ECU Assembly

Engine speed signal

CAN Communication Line

Airbag ECU Assembly

Clearance Warning ECU Assembly

Yaw rate and acceleration sensor signal

CAN Communication Line

Combination Meter Assembly

Clearance Warning ECU Assembly

Vehicle speed signal

CAN Communication Line

Steering Sensor

Clearance Warning ECU Assembly

Steering angle signal

CAN Communication Line

Brake Booster with Master Cylinder Assembly (Skid Control ECU)

Clearance Warning ECU Assembly

  • Vehicle speed signal
  • Control status signal

CAN Communication Line

Air Conditioning Amplifier Assembly

Clearance Warning ECU Assembly

Ambient temperature signal

CAN Communication Line

Main Body ECU

(Multiplex Network Body ECU)

Clearance Warning ECU Assembly

Vehicle information signal

CAN Communication Line

Clearance Warning ECU Assembly

Meter Mirror Sub-assembly*1

Control status signal

CAN Communication Line

Clearance Warning ECU Assembly

Parking Assist ECU*2

Control status signal

CAN Communication Line

Hybrid Vehicle Control ECU

Clearance Warning ECU Assembly

Shift position signal

CAN Communication Line

  • *1: w/ Headup Display
  • *2: w/ Panoramic View Monitor System

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 How To Proceed With Troubleshooting

CAUTION / NOTICE / HINT HINT: Use the following procedure to troubleshoot the intelligent clearance sonar system. *: Use the Techstream. PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP

 Operation Check

OPERATION CHECK ICS OFF INDICATOR LIGHT OPERATION CHECK (a) Turn the power switch on (IG). (b) Turn the intelligent clearance sonar system off and confirm that the ICS OFF indicator in the combination

 Customize Parameters

CUSTOMIZE PARAMETERS CUSTOMIZE INTELLIGENT CLEARANCE SONAR SYSTEM (a) Customizing with the Techstream. NOTICE: When the customer requests a change in a function, first make sure that the function c

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 Installation

INSTALLATION PROCEDURE 1. INSTALL BLIND SPOT MONITOR BUZZER (a) Attach the clamp to install the blind spot monitor buzzer. (b) Connect the connector. 2. INSTALL DECK TRIM SIDE PANEL ASSEMBLY RH Click here 3. INSTALL NO. 1 LUGGAGE COMPARTMENT TRIM HOOK Click here 4. INSTALL LUGGAGE HOLD BELT ST

 Side Camera LH Response Malfunction (C2A6B)

DESCRIPTION During self diagnosis of the parking assist ECU, the parking assist ECU sends display mode ID signals to the side television camera assembly LH. This DTC is stored when the output of the side television camera assembly LH does not match the expected output. DTC No. Detection Item

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