DIAGNOSIS SYSTEM
DESCRIPTION
(a) Seat heater system data and Diagnostic Trouble Codes (DTCs) can be read through the Data Link Connector 3 (DLC3) of the vehicle. When the system seems to be malfunctioning, use the Techstream to check for malfunctions and perform repairs.
CHECK DLC3
(a) Check the DLC3.
Click here
INSPECT BATTERY VOLTAGE
(a) Check the battery voltage.
Standard Voltage:
11 to 14 V
If the voltage is below 11 V, recharge or replace the battery.
Problem Symptoms Table
Terminals Of EcuLexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Intelligent Clearance Sonar System: Wheel Speed Sensor Malfunction (C164D)
DESCRIPTION This DTC is stored when the clearance warning ECU assembly receives a wheel speed sensor (front speed sensor RH or front speed sensor LH, rear speed sensor RH or rear speed sensor LH) abnormality signal from the vehicle stability control system via CAN communication. DTC No. Detecti ...
Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Climate Control Seat System: On-vehicle Inspection
ON-VEHICLE INSPECTION PROCEDURE 1. CHECK AIR DUCT (a) Check that there are no cracks or damage on the air ducts of the seat climate control blower and seatback climate control blower, and that the air ducts are installed correctly. 2. CHECK CLIMATE CONTROL SEAT SYSTEM (a) Turn the engine switch on ( ...