PROBLEM SYMPTOMS TABLE
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Symptom | Suspected Area | Link |
---|---|---|
Remote up / down function does not operate | LIN communication system | |
Multiplex network master switch assembly | - | |
Power window regulator motor assembly (for front passenger door) | - | |
Power window regulator motor assembly (for rear LH door) | - | |
Power window regulator motor assembly (for rear RH door) | - | |
Driver side power window does not operate with power window master switch | LIN communication system | |
Power window regulator motor assembly (for driver door) | - | |
Multiplex network master switch assembly | - | |
Main body ECU (Multiplex network body ECU) | - | |
Wire harness or connector | - | |
Front passenger side power window does not operate with front passenger side power window switch | LIN communication system | |
Power window regulator motor assembly (for front passenger door) | - | |
Power window regulator switch assembly | - | |
Main body ECU (Multiplex network body ECU) | - | |
Wire harness or connector | - | |
Rear power window LH does not operate with rear power window switch LH | LIN communication system | |
Power window regulator motor assembly (for rear LH door) | - | |
Rear power window regulator switch assembly (for LH door) | - | |
Main body ECU (Multiplex network body ECU) | - | |
Wire harness or connector | - | |
Rear power window RH does not operate with rear power window switch RH | LIN communication system | |
Power window regulator motor assembly (for rear RH door) | - | |
Rear power window regulator switch assembly (for RH door) | - | |
Main body ECU (Multiplex network body ECU) | - | |
Wire harness or connector | - | |
Driver side power window auto up / down function does not operate with power window master switch | LIN communication system | |
Power window regulator motor assembly (for driver door) | - | |
Multiplex network master switch assembly | - | |
Power window position initialization | - | |
Wire harness or connector | - | |
Front passenger side power window auto up / down function does not operate with front passenger side power window switch | Power window regulator motor assembly (for front passenger door) | |
Power window regulator switch assembly | - | |
Power window position initialization | - | |
Wire harness or connector | - | |
Rear power window LH auto up / down function does not operate with rear power window switch LH | Power window regulator motor assembly (for rear LH door) | |
Rear power window regulator switch assembly (for LH door) | - | |
Power window position initialization | - | |
Wire harness or connector | - | |
Rear power window RH auto up / down function does not operate with rear power window switch RH | Power window regulator motor assembly (for rear RH door) | ![]() |
Rear power window regulator switch assembly (for RH door) | - | |
Power window position initialization | - | |
Wire harness or connector | - | |
All power windows do not operate with driver side door key cylinder or wireless transmitter | LIN communication system | |
Wireless door lock control system | - | |
Power door lock control system | - | |
Main body ECU (Multiplex network body ECU) | - | |
Key-off operation function operates even if operating conditions are not satisfied | LIN communication system | |
Lighting system | - | |
Power window regulator motor assembly (for driver door) | - | |
Power window regulator motor assembly (for front passenger door) | - | |
Power window regulator motor assembly (for rear LH door) | - | |
Power window regulator motor assembly (for rear RH door) | - | |
Main body ECU (Multiplex network body ECU) | - | |
Auto up operation does not fully close power window (jam protection function is activated) | Power window position initialization (applicable location) | |
Improper installation (applicable location) | - | |
Power window regulator motor assembly (for driver door) | - | |
Power window regulator motor assembly (for front passenger door) | - | |
Power window regulator motor assembly (for rear LH door) | - | |
Power window regulator motor assembly (for rear RH door) | - | |
Auto down operation does not fully open power window (catch protection function is activated) | Power window position initialization (applicable location) | |
Improper installation (applicable location) | - | |
Power window regulator motor assembly (for driver door) | - | |
Power window regulator motor assembly (for front passenger door) | - | |
Power window regulator motor assembly (for rear LH door) | - | |
Power window regulator motor assembly (for rear RH door) | - | |
Jam protection function does not operate | Power window position initialization (applicable location) | |
Power window regulator motor assembly (for driver door) | - | |
Power window regulator motor assembly (for front passenger door) | - | |
Power window regulator motor assembly (for rear LH door) | - | |
Power window regulator motor assembly (for rear RH door) | - | |
Power windows do not operate using all window switch | Main body ECU (Multiplex network body ECU) | |
Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Seat Heater System: Lost Communication with Rear Panel LIN (B14B3)
DESCRIPTION The refreshing seat switch (for rear side)*1 or rear seat heater switch*2 communicates with the air conditioning amplifier assembly via LIN communication. If the LIN communication system is malfunctioning, the air conditioning amplifier assembly will not operate even if the refreshing se ...
Lexus RX (RX 350L, RX450h) 2016-2025 Owners Manual > Using the driving support
systems: Driving assist systems
To keep driving safety and performance, the following systems operate
automatically
in response to various driving situations. Be aware, however, that
these systems are supplementary and should not be relied upon too heavily
when operating the vehicle.
ECB (Electronically Controlled Brake Syst ...