Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual: Precaution

NOTICE:

• Before replacing the ECM, refer to Registration.

  Click here

• Perform Registration (VIN registration) after replacing the ECM.

  Click here

• Make sure to perform Reset Memory (A/T initialization), when replacing the automatic transaxle assembly, ECM or engine assembly.
  • for 2WD models: Click here
  • for AWD models: Click here
• When the cable is disconnected from the negative (-) battery terminal, initialize the following system(s) after the cable is reconnected.

  System Name	See Procedure
  Lane Control System
  Pre-collision System
  Intelligent Clearance Sonar System
  Parking Assist Monitor System
  Panoramic View Monitor System
  Lighting System (w/ Automatic Headlight Beam Level Control System)
  Power Door Lock Control System
  Power Back Door System (w/ Outside Door Control Switch)

• Before using the Techstream, read the instruction manual.
• Prevent the Techstream cable from being caught on the pedals, shift lever or steering wheel when driving with the Techstream connected to the vehicle.
• When driving the vehicle for testing purposes using the Techstream, 2 persons are required. One drives the vehicle, and the other operates the Techstream.

Sfi System

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Definition Of Terms

DEFINITION OF TERMS Term Definition Monitor Description Description of what the ECM monitors and how it detects malfunctions (monitoring purpose and details). Related DTCs Group of di ...

Other materials:

Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Automatic Transaxle System: Pressure Control Solenoid "G" Actuator Stuck Off (P28077F)
DESCRIPTION Based on signals from the transmission revolution sensors (NT, NC3 and NC), the actual gear is detected. The ECM compares the actual gear with the shift schedule in the ECM memory to detect mechanical malfunction of the shift solenoid valves, transmission valve body assembly and automati ...

Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Sliding Roof System: Sensor (Motor) Failure (B2341,B2344)
DESCRIPTION When the sliding roof ECU (sliding roof drive gear sub-assembly) detects a motor malfunction and the sliding roof operation is stopped, DTC B2341 is stored. When the sliding roof ECU (sliding roof drive gear sub-assembly) detects a gear position malfunction and the sliding roof operation ...