SYSTEM DIAGRAM
Communication Table | Sender | Receiver | Signal | Line |
|---|---|---|---|
| Air Conditioning Amplifier Assembly | Main Body ECU (Multiplex Network Body ECU) | Mirror heater drive request signal | CAN |
| Main Body ECU (Multiplex Network Body ECU) | Outer Mirror Control ECU Assembly |
| CAN |
| Outer Mirror Control ECU Assembly | Main Body ECU (Multiplex Network Body ECU) | Outer mirror state signal | CAN |
| ECM | Main Body ECU (Multiplex Network Body ECU) | Reverse signal | CAN |
| Radio Receiver Assembly | Air Conditioning Amplifier Assembly | Mirror heater switch (rear window defogger switch) operation signal | LIN |
| Multiplex Network Master Switch Assembly | Main Body ECU (Multiplex Network Body ECU) | Outer mirror switch signal | LIN |
System Description
How To Proceed With TroubleshootingLexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Blind Spot Monitor System: Diagnosis System
DIAGNOSIS SYSTEM DESCRIPTION (a) Blind spot monitor data and Diagnostic Trouble Codes (DTCs) can be read from the Data Link Connector 3 (DLC3) of the vehicle. When the system seems to be malfunctioning, use the Techstream to check for malfunctions and to perform repairs. CHECK DLC3 (a) Check the DLC ...
Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Air Conditioning System: Air Mix Damper Control Servo Motor Circuit (Driver Side) (B1446/46)
DESCRIPTION The No. 1 air conditioning radiator damper servo sub-assembly (driver side air mix) sends pulse signals to inform the air conditioning amplifier assembly of the damper position. The air conditioning amplifier assembly activates the motor (normal or reverse) based on these signals to move ...