Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual: System Description

SYSTEM DESCRIPTION

SYSTEM DESCRIPTION

(a) The Electronic Controlled Automatic Transaxle (ECT) is an automatic transaxle that electronically controls shift timing using the ECM. The ECM detects electrical signals that indicate engine and driving conditions, and controls shift points based on driver habits and road conditions.

Shift shock is reduced by controlling the engine and transaxle simultaneously.

In addition, the ECT has the following features:

  • Diagnostic function.
  • Fail-safe function when a malfunction occurs.
    Parts Location
    PARTS LOCATION ILLUSTRATION *1 ECM *2 ENGINE ROOM RELAY BLOCK AND JUNCTION BLOCK ASSEMBLY - EFI-MAIN FUSE - ETCS FUSE - ST RELAY ILLUSTRATION *1 SHIFT SOLENOID VALVE SL1 *2 SHIF ...

    System Diagram
    SYSTEM DIAGRAM ...

    Other materials:

    Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Can Communication System: Blind Spot Monitor Sensor Communication Stop Mode
    DESCRIPTION Detection Item Symptom Trouble Area Blind Spot Monitor Sensor Communication Stop Mode Either condition is met: "Blind Spot Monitor Master" is not displayed on the CAN Bus Check screen of the Techstream. Click here Communication system DTCs (DTCs that start with U) ...

    Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Intelligent Clearance Sonar System: Fr Sensor Initialization Incomplete (C1AF3)
    DESCRIPTION When it is judged that the front sensors have not been initialized, the clearance warning ECU assembly stores DTC C1AF3. DTC No. Detection Item DTC Detection Condition Trouble Area C1AF3 Fr Sensor Initialization Incomplete Front sensor not initialized Initialize fro ...

    Lexus RX (RX 350L, RX450h) 2016-{YEAR} Owners Manual

    Lexus RX (RX 350L, RX450h) 2016-{YEAR} Repair Manual

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