Lexus RX (RX 350L, RX450h) 2016-2024 Repair Manual: System Diagram

Lexus RX (RX 350L, RX450h) 2016-2024 Repair Manual / Power Source & Network / Networking / Can Communication System / System Diagram

SYSTEM DIAGRAM

(a) The CAN communication system is composed of 7 buses.

CAN Main Bus Line

Terminating Resistor

CAN Branch Line

*

Gateway Function Equipped ECU

Bus Monitored Direction

-

-

CAN Main Bus Line

Terminating Resistor

CAN Branch Line

*

Gateway Function Equipped ECU

Bus

Code

ECU/Sensor Name

CAN DTC Storage

Note

-

CGW

Network Gateway ECU

-

-

V Bus

DLC3

DLC3

-

-

Bus 1

MAV

Parking Assist ECU

Available

w/ Panoramic View Monitor System

CSR

Clearance Warning ECU Assembly

Available

w/ Intuitive Parking Assist System

FCM

Forward Recognition Camera

Available

-

FRD

Millimeter Wave Radar Sensor Assembly

Available

-

CAA

Rear Television Camera Assembly

-

w/ Panoramic View Monitor System

Available

w/ Parking Assist Monitor System

BSR

Blind Spot Monitor Sensor LH

Available

w/ Blind Spot Monitor System

CAN J/C No.3

No. 3 CAN Junction Connector

-

-

CAN J/C No.10

No. 10 CAN Junction Connector

-

-

Bus 2

ENG

ECM

Available

-

Bus 3

AVN

Radio Receiver Assembly

Available

-

DCM

DCM (Telematics Transceiver)

Available

w/ Manual (SOS) Switch

CAN J/C No.6

No. 6 CAN Junction Connector

-

-

Bus 4

VSC

Skid Control ECU (Brake Actuator Assembly)

Available

-

FWD

4WD ECU ASSEMBLY

Available

for AWD

ODS

Occupant Detection ECU

-

-

EPS

Power Steering ECU Assembly

Available

-

STR

Steering Sensor

-

-

YGS

Yaw Rate Sensor Assembly

-

w/ TFT Meter Type Combination Meter Assembly

ABG

Airbag Sensor Assembly

Available

-

TPM

Tire Pressure Warning ECU and Receiver

Available

-

SCS

Absorber Control ECU

Available

w/ AVS

CAN J/C No.1

No. 1 CAN Junction Connector

-

-

CAN J/C No.7

No. 7 CAN Junction Connector

-

-

CAN J/C No.8

No. 8 CAN Junction Connector

-

-

CAN J/C No.9

No. 9 CAN Junction Connector

-

-

CAN J/C No.12

No. 12 CAN Junction Connector

-

-

Bus 5

ACN

Air Conditioning Amplifier Assembly

Available

-

MET

Combination Meter Assembly

Available

-

IDT

Certification ECU (Smart Key ECU Assembly)

Available

-

BDB

Main Body ECU (Multiplex Network Body ECU)

Available
  • The main body ECU (multiplex network body ECU) acts as a gateway between the bus 5 and sub bus 1.
  • The main body ECU (multiplex network body ECU) is also connected to the LIN communication system.

AFS

Headlight ECU Sub-assembly LH

Available

w/ Automatic Headlight Beam Level Control System

HUD

Combination Meter Mirror ECU (Headup Display)

Available

w/ Headup Display System

CAN J/C No.5

No. 5 CAN Junction Connector

-

-

Sub Bus 1

BDB

Main Body ECU (Multiplex Network Body ECU)

Available
  • The main body ECU (multiplex network body ECU) acts as a gateway between the bus 5 and sub bus 1.
  • The main body ECU (multiplex network body ECU) is also connected to the LIN communication system.

BKD

Multiplex Network Door ECU

Available

-

DFL

Outer Mirror Control ECU Assembly (for Driver Side)

Available

-

TAT

Multiplex Tilt and Telescopic ECU

Available

-

DST

Position Control ECU and Switch Assembly LH

-

w/ Seat Position Memory System

DFR

Outer Mirror Control ECU Assembly (for Front Passenger Side)

Available

-

ST1

No. 1 CAN Junction Terminal

-

-

CAN J/C No.11

No. 11 CAN Junction Connector

-

-

CAN J/C No.8

No. 8 CAN Junction Connector

-

-
    Precaution
    PRECAUTION NOTICE FOR INITIALIZATION NOTICE: When disconnecting the cable from the negative (-) battery terminal, initialize the following systems after the cable is reconnected. System See Proce ...

    System Description
    SYSTEM DESCRIPTION BRIEF DESCRIPTION (a) The Controller Area Network (CAN) is a serial data communication system for real time application. It is a vehicle multiplex communication system which has a h ...

    Other materials:

    Lexus RX (RX 350L, RX450h) 2016-2024 Repair Manual > Fog Light Assembly: Inspection
    INSPECTION PROCEDURE 1. INSPECT FOG LIGHT ASSEMBLY LH (a) Apply battery voltage to the fog light assembly LH and check that the light comes on. OK: Condition Specified Condition Battery positive (+) → Terminal 2 (B) Battery negative (-) → Terminal 3 (E) Fog light comes on If th ...

    Lexus RX (RX 350L, RX450h) 2016-2024 Repair Manual > Power Tilt And Power Telescopic Steering Column System: Problem Symptoms Table
    PROBLEM SYMPTOMS TABLE HINT: Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each system by checking the suspec ...

    Lexus RX (RX 350L, RX450h) 2016-{YEAR} Owners Manual

    Lexus RX (RX 350L, RX450h) 2016-{YEAR} Repair Manual

    © 2024 Copyright www.lexusrx.net
    0.0132