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:
Parts Location
System DiagramLexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Air Conditioning Pressure Sensor: On-vehicle Inspection
ON-VEHICLE INSPECTION PROCEDURE 1. INSPECT AIR CONDITIONER PRESSURE SENSOR (a) Check the wire harness. (1) Disconnect the A9 air conditioner pressure sensor connector. (2) Disconnect the J42 air conditioning amplifier assembly connector. (3) Measure the resistance according to the value(s) in the ta ...
Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Sfi System: Starter Signal Circuit
DESCRIPTION While the engine is being cranked, current flows from terminal STAR of the certification ECU (smart key ECU assembly) to the park/neutral position switch assembly and to terminal STA of the ECM (STA signal). WIRING DIAGRAM CAUTION / NOTICE / HINT NOTICE: Inspect the fuses for circuits r ...