PROBLEM SYMPTOMS TABLE
HINT:
Symptom | Suspected Area | Link |
---|---|---|
Electric parking brake does not operate | Proceed to "Electric Parking Brake does not Operate" | |
Parking brake indicator light does not illuminate (red) or turn off when parking brake is manually engaged and disengaged | Proceed to "Electric Parking Brake does not Operate" | |
Electric parking brake AUTO function (shift-linked function) does not operate (shift-linked parking brake does not lock or release) | Proceed to "Electric Parking Brake AUTO Function Circuit" | |
Message not displayed on multi-information display when AUTO function set to ON/OFF | Proceed to "Message Not Displayed on Multi-information Display When AUTO Function Set to ON/OFF" | |
Brake warning light (Yellow) remains on | Proceed to "Brake Warning Light (Yellow) Remains On" | |
Electric parking brake switch indicator light on electric parking brake switch (electric parking brake switch assembly) does not illuminate or turn off when lock and release operations are performed | Electric parking brake switch indicator light drive circuit | |
Wire harness or connector (electric parking brake switch (electric parking brake switch assembly) - skid control ECU (brake actuator assembly)) | - | |
Electric parking brake switch (electric parking brake switch assembly) | | |
Skid control ECU (brake actuator assembly) | |
Lexus RX (RX 350L, RX450h) 2016-2024 Repair Manual > Sfi System: VC Output Circuit
DESCRIPTION The ECM constantly generates a 5 V power source voltage from the battery voltage supplied to the +B, +B2 (BATT) terminals to operate the microprocessor. The ECM also provides this power to the sensors through the VC output circuit. When the VC circuit has a short circuit, the microproce ...
Lexus RX (RX 350L, RX450h) 2016-2024 Repair Manual > Intuitive Parking Assist System (w/ Intelligent Clearance Sonar System): Rear Right Sensor Malfunction (C1AE9)
DESCRIPTION The rear corner ultrasonic sensor RH is installed to the rear bumper. The clearance warning ECU assembly detects obstacles based on signals received from the rear corner ultrasonic sensor RH. If the rear corner ultrasonic sensor RH has an open circuit or other malfunction, it will not fu ...