Multiplex Communication System - LIN

System Diagram (Part 1):

System Diagram (Part 2):

System Diagram (Part 3):

System Diagram (Part 4):

SYSTEM DIAGRAM

SYSTEM DESCRIPTION

1. LIN COMMUNICATION SYSTEM DESCRIPTION
The LIN communication system is used for communication between the component. 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: *: Control master

1. Main Body ECU*
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)

b. Certification Components That Use LIN Communication Bus

HINT: *: Control master
1. Certification ECU*
2. Main Body ECU
3. Steering Lock Actuator Assembly
4. Immobilizer Code ECU (ID Code Box)

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 *
2. Map Light Assembly

e. Rear Heater Components That Use LIN Communication

HINT: *: Control master
1. Air Conditioning Amplifier Assembly*
2. Rear Power Seat Module Switch

f. Rear Air Conditioning Components That Use LIN Communication*1

HINT:
*1: w/ Infrared Ray Sensor Unit
*2: Control master

1. Air Conditioning Amplifier Assembly*2
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 (for Front Seat)

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/ Climate Control Seat System (for Rear Seat)

1. Rear Power Seat Module Switch*1
2. Position Control ECU LH
3. Position Control ECU RH
4. Rear Seat Climate Control ECU LH*2
5. Rear Seat Climate Control ECU RH*2

i. Seat Vibration System Components That Use LIN Communication*1

HINT:
*1: w/ Seat Vibration System
*2: Control master

1. Seat Vibration Module Assembly*2
2. Seat Vibrator Switch

2. LIN COMMUNICATION SYSTEM DTCs
The control master components shown 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
c. Luggage Room Junction Block
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