Lexus RX (RX 350L, RX450h) 2016-2024 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 ...
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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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