Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual: Start Up Signal Circuit between Radio Receiver Assembly and Navigation ECU

Reverse Signal Circuit between Radio Receiver Assembly and Navigation ECU

DESCRIPTION This circuit includes the navigation ECU and radio receiver assembly. WIRING DIAGRAM PROCEDURE 1. CHECK HARNESS AND CONNECTOR (RADIO RECEIVER ASSEMBLY - NAVIGATION ECU) (a) Disco ...

Microphone Circuit

DESCRIPTION The radio receiver assembly and telephone microphone assembly are connected to each other using the microphone connection detection signal lines. Using this circuit, the DCM (telemati ...

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Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Power Mirror Control System (w/ Memory): Mirror Heater does not Operate with Rear Defogger Switch
DESCRIPTION When the mirror heater switch (rear window defogger switch) is operated, the mirror heater signal is sent to the air conditioning amplifier assembly and then to each outer mirror control ECU assembly via CAN communication. Based on this signal, the outer mirror control ECU assemblies ope ...

Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Automatic Transaxle System: Pressure Control Solenoid "C" Actuator Stuck Off (P07957F)
DESCRIPTION Based on signals from the transmission revolution sensors (NT, NC3 and NC), the actual gear is detected. The ECM compares the actual gear with the shift schedule in the ECM memory to detect mechanical malfunctions of the shift solenoid valves, transmission valve body assembly and automat ...