System Description

WARNING: This page is about a different car, the 2008 Lexus LS 600hL. However, it is still accessible from the selected car via links, so may be relevant.

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
1. 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)*
    HINT:
    
    * w/ Sliding Roof System
2. Certification Components That Use LIN Communication Bus
  HINT:
  
  * Control Master
  1. Certification ECU*
  2. Main Body ECU*
  3. Steering Lock Actuator Assembly
  4. ID Code Box
3. Rain Sensor Components That Use LIN Communication
  HINT:
  
  *. Control Master
  1. Multiplex Network Front Light ECU (Front Controller)*
  2. Ram Sensor
4. Overhead Junction Block Components That Use LIN Communication
  HINT:
  
  * Control Master
  1. Luggage Room Junction Block Assembly (Rear Junction Block ECU)*
  2. Map Light Assembly (Overhead Junction Block)
5. Rear Heater Components That Use LIN Communication*1
  HINT:
  - *1 w/ Rear Cooler Unit
  - *2 Control Master
  1. Air Conditioning Amplifier Assembly*2
  2. Rear Power Seat Module Switch
6. Rear Air Conditioning Components That Use LIN Commumcation*1
  HINT:
  
  *1. w/ Ottoman
  
  *2 Control Master
  1. Air Conditioning Amplifier Assembly*2
  2. Infrared Ray Sensor
7. Front 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
8. Rear Seat Switch Components That Use LIN Communication Bus
  HINT:
  
  * Control Master
  1. Rear Power Seat Module Switch*
  2. Position Control ECU LH
  3. Position Control ECU RH
  4. Rear Seat Climate Control ECU LH
  5. Rear Seat Climate Control ECU RH
9. Seat Vibration System Components That Use LIN Communication*1
  HINT:
  
  *1 w/ Ottoman
  
  *2 Control Master
  1. Seat Vibrator Module Assembly*2
  2. Seat Vibrator Switch
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
1. Main Body ECU (Driver Side Junction Block)
2. Certification ECU
3. Luggage Room Junction Block
4. Air Conditioning Amplifier Assembly*
  HINT:
  
  *: LIN Communication Between Components Related to Rear Air Conditioning
5. Outer Mirror Switch
6. Rear Power Seat Module Switch