INSTALLATION
PROCEDURE
1. PRECAUTION
NOTICE:
When 4WD ECU assembly is replaced with a known good one from another vehicle, it is necessary to perform calibration.
Click here
2. INSTALL 4WD ECU ASSEMBLY
| (a) Install the 4WD ECU assembly with the bolt. Torque: 8.5 N·m {87 kgf·cm, 75 in·lbf} |
|
(b) Connect the 4WD ECU assembly connector.
3. INSTALL NO. 2 INSTRUMENT PANEL UNDER COVER SUB-ASSEMBLY
Click here
4. INSTALL COWL SIDE TRIM BOARD RH
Click here
5. INSTALL FRONT DOOR SCUFF PLATE RH
Click here
Click here
6. CONNECT CABLE TO NEGATIVE BATTERY TERMINAL
NOTICE:
When disconnecting the cable, some systems need to be initialized after the cable is reconnected.
Click here
Components
RemovalLexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Steering Lock System: Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART Steering Lock System DTC No. Detection Item DTC Detection Condition Note Link B2781 Open / Short in Steering Lock ECU One of the following conditions is met (1-trip detection logic (Only output while a malfunction is present and the engine switch is o ...
Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Dynamic Torque Control Awd System: System Description
SYSTEM DESCRIPTION GENERAL DESCRIPTION The dynamic torque control AWD system detects the driving conditions based on signals from each ECU, switches, the steering sensor, the wheel speed sensor, and the acceleration sensor. The system controls the current passing through the 4WD linear solenoid of t ...