Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual: Calibration
CALIBRATION
DESCRIPTION
(a) When the 4WD ECU assembly is replaced with a known good one from another vehicle or the acceleration sensor (airbag ECU assembly*1 or yaw rate sensor assembly*2) is replaced, perform calibration.
(b) Follow the chart to perform calibration.
| Part Replaced | Necessary Operation |
|---|---|
| 4WD ECU assembly (When replaced with a known good one from another vehicle) | Clear zero point calibration data |
| Acceleration sensor (airbag sensor assembly)*1 Acceleration sensor (yaw rate sensor assembly)*2 |
|
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HINT:
- When the 4WD ECU assembly is replaced with a new one, calibration is unnecessary.
- *1: w/ Optitron Meter Type
- *2: w/ TFT Meter Type
PERFORM CALIBRATION
(a) Clear the zero point calibration data.
(1) Turn the engine switch off.
(2) Connect the Techstream to the DLC3.
(3) Turn the engine switch on (IG).
(4) Turn the Techstream on.
(5) Enter the following menus: Chassis / Four Wheel Drive / Utility / Reset Memory.
Chassis > Four Wheel Drive > Utility| Tester Display |
|---|
| Reset Memory |
(6) Operate the Techstream to clear the data.
System Diagram
SYSTEM DIAGRAM Communication Table Transmitting ECU Receiving ECU Signal Communication Method
*1: w/ Optitron Meter Type
*2: w/ TFT Meter Type Skid control ECU (Brake actuator asse ...
How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT HINT:
Use the following procedure listed to troubleshoot the Dynamic Torque Control AWD system.
*: Use the Techstream.
PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP ...
Other materials:
Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Audio And Visual System (for 8 Inch Display): CD cannot be Ejected
CAUTION / NOTICE / HINT NOTICE: Depending on the parts that are replaced during vehicle inspection or maintenance, performing initialization, registration or calibration may be needed. Refer to Precaution for Audio and Visual System. Click here PROCEDURE 1. CHECK OPERATION (a) Press the d ...
Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Seat Position Sensor: Installation
INSTALLATION PROCEDURE 1. INSTALL SEAT POSITION AIRBAG SENSOR (a) Engage the pin to install the seat position airbag sensor to the seat slide position sensor protector as shown in the illustration. (b) Using a 1.3 mm (0.0512 in.) feeler gauge, temporarily install the seat position ...
Lexus RX (RX 350L, RX450h) 2016-{YEAR} Owners Manual
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Lexus RX (RX 350L, RX450h) 2016-{YEAR} Repair Manual
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