SYSTEM DIAGRAM
Communication Table | Sender | Receiver | Signal | Line |
|---|---|---|---|
| Multiplex Network Master Switch Assembly | Main Body ECU (Multiplex Network Body ECU) | Door control switch signal | LIN |
| Certification ECU (Smart Key ECU Assembly) | Main Body ECU (Multiplex Network Body ECU) | Back door opener switch signal | CAN |
| Multiplex Network Door ECU | Main Body ECU (Multiplex Network Body ECU) | Power back door control signal | CAN |
System Description
How To Proceed With TroubleshootingLexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Power Back Door System (w/ Outside Door Control Switch): Back Door Motor Circuit (B2220)
DESCRIPTION This DTC is stored when the multiplex network door ECU detects a malfunction of the motor built-into the power back door unit assembly set LH or power back door unit assembly set RH. DTC No. Detection Item DTC Detection Condition Trouble Area B2220 Back Door Motor Circuit ...
Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Navigation System: Speed Signal Malfunction (B15C2)
DESCRIPTION The navigation ECU receives a vehicle speed signal from the combination meter assembly and information from the navigation antenna assembly, and then adjusts the vehicle position on the map. The navigation ECU stores this DTC when the difference between the speed information that the nav ...