TERMINALS OF ECU
CHECK SKID CONTROL ECU (BRAKE ACTUATOR ASSEMBLY)
*a | Component without harness connected (Skid Control ECU (Brake Actuator Assembly)) | - | - |
(a) Disconnect the A41 skid control ECU (brake actuator assembly) connectors.
(b) Measure the voltage and resistance according to the value (s) in the table below.
Terminal No. (Symbol) | Wiring Color | Terminal Description | Condition | Specified Condition |
---|---|---|---|---|
A41-14 (+BS) - Body ground | L - Body ground | Parking brake motor (parking brake actuator assembly) power supply | Always | 11 to 14 V |
A41-45 (IG1) - Body ground | V - Body ground | IG power supply | Engine switch on (IG) | 11 to 14 V |
A41-1 (GND1) - Body ground | W-B - Body ground | Ground | Always | Below 1 Ω |
A41-30 (GND2) - Body ground | W-B - Body ground | Ground | Always | Below 1 Ω |
A41-13 (MRR+) - Body ground | Y - Body ground | Parking brake motor RH (parking brake actuator assembly RH) (+) | - | - |
A41-12 (MRR-) - Body ground | R - Body ground | Parking brake motor RH (parking brake actuator assembly RH) (-) | - | - |
A41-3 (MRL+) - Body ground | B - Body ground | Parking brake motor LH (parking brake actuator assembly LH) (+) | - | - |
A41-2 (MRL-) - Body ground | L - Body ground | Parking brake motor LH (parking brake actuator assembly LH) (-) | - | - |
A41-38 (POL) - Body ground | L - Body ground | Electric parking brake switch indicator light | - | - |
A41-36 (SWI1) - Body ground | G - Body ground | Electric parking brake switch (electric parking brake switch assembly) | - | - |
A41-31 (SWO1) - Body ground | LG - Body ground | Electric parking brake switch (electric parking brake switch assembly) | - | - |
A41-41 (SWI2) - Body ground | W - Body ground | Electric parking brake switch (electric parking brake switch assembly) | - | - |
A41-39 (SWO2) - Body ground | R - Body ground | Electric parking brake switch (electric parking brake switch assembly) | - | - |
A41-27 (CANH) - Body ground | B - Body ground | CAN communication line H | - | - |
A41-43 (CANL) - Body ground | W - Body ground | CAN communication line L | - | - |
Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Audio And Visual System (for 8 Inch Display): Touch Pad Sensor Malfunction (B1559)
DESCRIPTION This DTC is stored if the remote touch (remote operation controller assembly) detects a malfunction in itself, such as internal hardware failure or remote touch screen sensor malfunction. DTC No. Detection Item DTC Detection Condition Trouble Area B1559 Touch Pad Sensor Ma ...
Lexus RX (RX 350L, RX450h) 2016-2025 Owners Manual > For safety and security: Theft deterrent system
Immobilizer system
The vehicle's keys have built-in transponder chips that prevent the
hybrid system
from starting if a key has not been previously registered in the vehicle's
on-board computer.
Never leave the keys inside the vehicle when you leave the vehicle.
This system is designed to ...