Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual: System Description
SYSTEM DESCRIPTION
LIN COMMUNICATION SYSTEM DESCRIPTION
The LIN communication system is used for communication between the components in the tables below. If communication cannot be performed through LIN communication such as when there is an open or short in a communication line, the master control ECU of the relevant system will store a DTC. Refer to the table below about the communication bus lines and connected components.
HINT:
- Each component has a fail-safe function which operates in the event of a malfunction to protect the system and allow communication between other components to continue.
- In the following table, "○" indicates that the function applies, and "-" indicates that it does not.
| Component | Master Control | LIN Communication DTC Output Function |
|---|---|---|
| Main Body ECU (Multiplex Network Body ECU) | ○ | ○ |
| Power Window Regulator Motor Assembly (for Driver Door) | - | - |
| Power Window Regulator Motor Assembly (for Front Passenger Door) | - | - |
| Power Window Regulator Motor Assembly (for Rear LH Door) | - | - |
| Power Window Regulator Motor Assembly (for Rear RH Door) | - | - |
| Multiplex Network Master Switch Assembly | - | - |
| Sliding Roof ECU (Sliding Roof Drive Gear Sub-assembly)*1 | - | - |
| Sliding Roof ECU (Sliding Roof Drive Gear Assembly)*2 | - | - |
| Roof Sunshade ECU (Sliding Roof Drive Gear Assembly)*2 | - | - |
- *1: w/ Sliding Roof System
- *2: w/ Panoramic Moon Roof System
| Component | Master Control | LIN Communication DTC Output Function |
|---|---|---|
| Certification ECU (Smart Key ECU Assembly) | ○ | ○ |
| Steering Lock ECU (Steering Lock Actuator or Upper Bracket Assembly) | - | - |
| ID Code Box (Immobiliser Code ECU) | - | - |
System Diagram
SYSTEM DIAGRAM DOOR BUS LINES CERTIFICATION BUS LINES ...
How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT HINT:
Use the following procedure to troubleshoot the LIN communication system.
*: Use the Techstream.
PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP
NEXT ...
Other materials:
Lexus RX (RX 350L, RX450h) 2016-2026 Owners Manual > Lexus RX (RX 350L, RX450h) 2016-2026 Owners Manual: Pictorial index
Exterior
The shape of the lights may differ depending on the grade, etc.
Side doors
Locking/unlocking
Opening/closing the side windows
Locking/unlocking by using the mechanical key
Back door
Opening from inside the cabin
Opening from outside
Outside rear view mirrors
Adjusting ...
Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Audio And Visual System (for 12.3 Inch Display): Touch Pad Vibration Driver Malfunction (B155A)
DESCRIPTION This DTC is stored if the remote touch (remote operation controller assembly) detects a malfunction in itself, such as internal hardware failure or remote touch screen vibration driver malfunction. DTC No. Detection Item DTC Detection Condition Trouble Area B155A Touch Pad ...
Lexus RX (RX 350L, RX450h) 2016-{YEAR} Owners Manual
- For your information
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- Instrument cluster
- Operation of each component
- Driving
- Lexus Display Audio system
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- When trouble arises
- Vehicle specifications
- For owners
Lexus RX (RX 350L, RX450h) 2016-{YEAR} Repair Manual
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