SYSTEM DIAGRAM
for 150 A Type
for 180 A Type 
Parts Location
How To Proceed With TroubleshootingLexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Seat Heater System: Diagnosis System
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 DLC ...
Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Wiper And Washer System: Terminals Of Ecu
TERMINALS OF ECU CHECK WINDSHIELD WIPER MOTOR ASSEMBLY (a) Disconnect the i1 windshield wiper motor assembly connector. (b) Measure the voltage and resistance on the wire harness side connector according to the value(s) in the table below. Terminal No. (Symbol) Wiring Color Terminal Descript ...