PROBLEM SYMPTOMS TABLE
HINT:
Symptom | Suspected Area | Link |
---|---|---|
Tight-corner braking phenomenon* | 4WD linear solenoid circuit | ![]() |
Steering sensor circuit | | |
Vehicle stability control system | | |
4WD ECU assembly | | |
Electro magnetic control coupling sub-assembly | | |
AWD warning message remains displayed | AWD warning light circuit (Remains illuminated) | |
AWD warning message is not displayed | AWD warning light circuit (Does not illuminate) | |
AWD lock function does not operate | AWD lock mode switch circuit | |
4WD ECU assembly | | |
AWD lock mode indicator light does not illuminate | CAN communication system | |
AWD lock mode switch circuit | | |
Combination meter assembly | | |
4WD ECU assembly | |
Lexus RX (RX 350L, RX450h) 2016-2024 Repair Manual > Power Mirror Control System (w/o Memory): Power Mirror cannot be Adjusted with Power Mirror Switch
DESCRIPTION The multiplex network master switch assembly sends the mirror adjust switch signals to the main body ECU (multiplex network body ECU) via LIN communication. The main body ECU (multiplex network body ECU) then sends the received mirror adjust switch signals to each outer mirror control EC ...
Lexus RX (RX 350L, RX450h) 2016-2024 Repair Manual > Cooling Fan System: Cooling Fan Circuit
DESCRIPTION The ECM calculates an appropriate cooling fan speed based on the engine coolant temperature, air conditioning switch condition, refrigerant pressure, engine speed and vehicle speed. The cooling fan ECUs control each cooling fan speed based on the duty cycle calculated by the ECM. By opti ...