System Description

MULTIPLEX COMMUNICATION: LIN COMMUNICATION SYSTEM: SYSTEM DESCRIPTION

1. LIN COMMUNICATION SYSTEM DESCRIPTION

The LIN communication system is used for communication between the components below. Each part of the LIN communication system has a component as a control master.

(a) Door and Sliding Roof Components That Use LIN Communication Bus

HINT
*1: Control master

*2: w/ Sliding Roof System

(1) Main Body ECU (Driver Side Junction Block)*1

(2) Master Switch Assembly

(3) Front Power Window Regulator Motor Assembly LH

(4) Front Power Window Regulator Motor Assembly RH

(5) Rear Power Window Regulator Motor Assembly LH

(6) Rear Power Window Regulator Motor Assembly RH

(7) Sliding Roof Drive Gear Sub-assembly (Sliding Roof ECU)*2

(b) Certification Components That Use LIN Communication Bus

HINT
*: Control master

(1) Certification ECU (Smart Key ECU)*

(2) Main Body ECU (Driver Side Junction Block)

(3) Steering Lock Actuator Assembly (Steering Lock ECU)

(4) ID Code Box (Immobiliser Code ECU)

(c) Rain Sensor Components That Use LIN Communication

HINT
*: Control master

(1) Front Light ECU (Front Controller)*

(2) Rain Sensor

(d) Overhead Junction Block Components That Use LIN Communication

HINT
*: Control master

(1) Luggage Room Junction Block (Rear Junction Block ECU)*

(2) Map Light Assembly (Overhead Junction Block)

(e) Rear Heater Components That Use LIN Communication (w/ Rear Cooler Unit)

HINT
*: Control master

(1) Air Conditioning Amplifier Assembly*

(2) Rear Power Seat Module Switch

(f) Rear Air Conditioning Components That Use LIN Communication (w/ Infrared Ray Sensor Unit)

HINT
*: Control master

(1) Air Conditioning Amplifier Assembly*

(2) Infrared Ray Sensor

(g) Driver Side Seat Switch Components That Use LIN Communication Bus

HINT
*1: Control master

*2: w/ Climate Control Seat System

(1) Outer Mirror Switch*1

(2) No. 1 Console Switch

(3) Front Seat Climate Control ECU LH*2

(4) Front Seat Climate Control ECU RH*2

(h) Rear Seat Switch Components That Use LIN Communication Bus

HINT
*1: Control master

*2: w/ Rear Power Seat Control System

*3: w/ Seat Heater System or Climate Control Seat System

(1) Rear Power Seat Module Switch*1

(2) Position Control ECU LH*2

(3) Position Control ECU RH*2

(4) Rear Seat Climate Control ECU LH*3

(5) Rear Seat Climate Control ECU RH*3

(i) Seat Vibration System Components That Use LIN Communication (w/ Seat Vibration System [for Ottoman])

HINT
*: Control master

(1) Seat Vibration Module Assembly*

(2) Seat Vibrator Switch

2. LIN COMMUNICATION SYSTEM DTCs

The control master components shown below output LIN communication system DTCs when there is a malfunction in the LIN communication. If a LIN communication stops, the control master of that part of the LIN communication system outputs DTCs.

(a) Main Body ECU (Driver Side Junction Block)

(b) Certification ECU (Smart Key ECU)

(c) Luggage Room Junction Block (Rear Junction Block ECU)

(d) Air Conditioning Amplifier Assembly*

HINT
*: LIN Communication Between Components Related to Rear Air Conditioning

(e) Outer Mirror Switch

(f) Rear Power Seat Module Switch