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.
Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Airbag System: Short in D Squib Circuit (B1800-B1803)
DESCRIPTION The driver squib circuit consists of the airbag sensor assembly, spiral cable sub-assembly and horn button assembly. The airbag sensor assembly uses this circuit to deploy the airbag when deployment conditions are met. These DTCs are stored when a malfunction is detected in the driver sq ...
Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Power Steering System: Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART Power Steering System DTC No. Detection Item DTC Detection Condition Warning Indicate Return-to-normal Condition Note Link C1511 Torque Sensor1 Torque sensor malfunction EPS warning light: Comes on The ECU judges the system has returned to nor ...