Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual: Terminals Of Ecu
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 | - | - |
Test Mode Procedure
TEST MODE PROCEDURE REAR BRAKE PAD REPLACEMENT MODE *1 Rear Disc Brake Piston *2 Nut *a The nut moves inward in pad replacement mode HINT: When replacing the rear disc brake pad a ...
Dtc Check / Clear
DTC CHECK / CLEAR CHECK DTC AND FREEZE FRAME DATA (USING TECHSTREAM) (a) Turn the engine switch off. (b) Connect the Techstream to the DLC3. (c) Turn the engine switch on (IG). (d) Turn the Techstream ...
Other materials:
Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Can Communication System: Open in One Side of Bus 5 Branch Line
DESCRIPTION If an ECU or sensor is not displayed on the CAN Bus Check screen of the Techstream and some ECUs and sensors repeatedly appear and disappear from the screen when the CAN main bus lines are normal (there is no open, short, short to +B or short to GND in the main bus lines), there may be a ...
Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Navigation System: Dtc Check / Clear
DTC CHECK / CLEAR CHECK DTC (CHECK USING TECHSTREAM) (a) Connect the Techstream to the DLC3. (b) Turn the engine switch on (IG) and wait for 90 seconds. (c) Turn the Techstream on. (d) Enter the following menus: Body Electrical / Navigation System / Trouble Codes. Body Electrical > Navigation Sys ...
Lexus RX (RX 350L, RX450h) 2016-{YEAR} Owners Manual
- For your information
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Lexus RX (RX 350L, RX450h) 2016-{YEAR} Repair Manual
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