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 |
|
.gif)
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 > Sfi System: Engine Coolant Temperature Sensor 1 Circuit Short to Battery or Open (P011515)
DESCRIPTION Refer to DTC P011511. Click here HINT: When DTC P011515 is stored, the ECM enters fail-safe mode. During fail-safe mode, the engine coolant temperature is estimated to be 80°C (176°F) by the ECM. Fail-safe mode continues until a pass condition is detected. DTC No. Detection Item ...
Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Can Communication System: Check Bus 1 Line for Short to +B
DESCRIPTION There may be a short circuit between one of the CAN bus lines and +B when there is no resistance between terminal 23 (CA1H) of the network gateway ECU and terminal 16 (BAT) of the DLC3, or terminal 8 (CA1L) of the network gateway ECU and terminal 16 (BAT) of the DLC3. Symptom Troubl ...
Lexus RX (RX 350L, RX450h) 2016-{YEAR} Owners Manual
- For your information
- Pictorial index
- For safety and security
- Instrument cluster
- Operation of each component
- Driving
- Lexus Display Audio system
- Interior features
- Maintenance and care
- When trouble arises
- Vehicle specifications
- For owners
Lexus RX (RX 350L, RX450h) 2016-{YEAR} Repair Manual
0.0097