DIAGNOSIS SYSTEM
DESCRIPTION
(a) Front power seat control system (w/ Memory) 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 > Heated Steering Wheel System: Precaution
PRECAUTION PRECAUTION FOR DISCONNECTING CABLE FROM NEGATIVE BATTERY TERMINAL NOTICE: When disconnecting the cable from the negative (-) battery terminal, initialize the following systems after the cable is reconnected. System Name See Procedure Lane Control System Pre-collision Sys ...
Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Window Defogger System: Data List / Active Test
DATA LIST / ACTIVE TEST ACTIVE TEST HINT: Using the Techstream to perform Active Tests allows relays, VSVs, actuators and other items to be operated without removing any parts. This non-intrusive functional inspection can be very useful because intermittent operation may be discovered before parts o ...