SYSTEM DIAGRAM
Component | Outline |
---|---|
Engine switch
|
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Certification ECU (smart key ECU assembly) |
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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) |
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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 > Automatic Transaxle System: Pressure Control Solenoid "B" Actuator Stuck Off (P07757F)
DESCRIPTION Based on signals from the transmission revolution sensors (NT, NC and NC3), 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 ...
Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Rear Speed Sensor (for 2wd): Installation
INSTALLATION CAUTION / NOTICE / HINT HINT:
Use the same procedure for the RH side and LH side.
The following procedure is for the LH side.
The rear speed sensor is a component of the rear axle hub and bearing assembly. If the rear speed sensor is malfunctioning, replace the rear axle hub and ...