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 > 2gr-fks (starting): Relay
    On-vehicle InspectionON-VEHICLE INSPECTION PROCEDURE 1. INSPECT ST RELAY (a) Check the resistance. (1) Measure the resistance according to the value(s) in the table below. Standard Resistance: Tester Connection Condition Specified Condition 3 - 5 Battery voltage not applied to termi ...

    Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Ambient Light (for Instrument Panel): Inspection
    INSPECTION PROCEDURE 1. INSPECT INTERIOR ILLUMINATION LIGHT SUB-ASSEMBLY (INSTRUMENT PANEL AMBIENT ILLUMINATION LIGHT) (a) Apply battery voltage to the connector and check that the instrument panel ambient illumination light comes on. OK: Measurement Condition Condition Specified Conditio ...

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

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

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