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) 2016-2022 Repair Manual > Intelligent Clearance Sonar System: Rr Sensor Initialization Incomplete (C1AF4)
DESCRIPTION When it is judged that the rear sensors have not been initialized, the clearance warning ECU assembly stores DTC C1AF4. DTC No. Detection Item DTC Detection Condition Trouble Area C1AF4 Rr Sensor Initialization Incomplete Rear sensor not initialized
Initialize rear ...
Lexus RX (RX 350L, RX450h) 2016-2022 Repair Manual > Panoramic Moon Roof System: Operation Check
OPERATION CHECK CHECK AUTO OPERATION FUNCTION (FOR SLIDING ROOF) NOTICE:
Make sure that initialization has been completed before performing this inspection.
Click here
The sliding roof auto operation function can be customized. Make sure that the auto operation function is ON.
Click here ...