SYSTEM DIAGRAM
Component | Outline |
---|---|
Engine switch
|
|
Certification ECU (smart key ECU assembly) |
|
ID code box (immobiliser code ECU) |
|
ECM | Outputs a signal indicating that the engine has started to the certification ECU (smart key ECU assembly) when starting the engine. |
Steering lock ECU (steering lock actuator or upper bracket assembly) |
|
Combination meter assembly |
|
IG, ACC relay | Turns on/off according to the certification ECU (smart key ECU assembly) and provides power to each system. |
Stop light switch assembly | Detects when the brake pedal is depressed (switch is on) and outputs a signal to the certification ECU (smart key ECU assembly). |
| Sends the request code from the certification ECU (smart key ECU assembly) and forms the vehicle interior detection area. |
Electrical key transmitter sub-assembly | Sends an ID code upon receiving a request signal. |
Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Audio And Visual System (for 12.3 Inch Display): Precaution
PRECAUTION PRECAUTION FOR DISCONNECTING CABLE FROM NEGATIVE BATTERY TERMINAL NOTICE:
After the engine switch is turned off, the radio receiver assembly records various types of memory and settings. As a result, after turning the engine switch off, make sure to wait at least 120 seconds before dis ...
Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Heated Steering Wheel System: Steering Wheel does not Heat Up When Heated Steering Wheel Switch is Pressed
DESCRIPTION Click here WIRING DIAGRAM CAUTION / NOTICE / HINT HINT:
Inspect the fuses for circuits related to this system before performing the following inspection procedure.
The steering wheel heater unit is built into the steering wheel assembly which cannot be disassembled. Therefore, wh ...