Lexus RX (RX 350L, RX450h) 2016-2022 Repair Manual > Power Window Control System: Diagnosis System
DIAGNOSIS SYSTEM DESCRIPTION (a) Power window control system data and Diagnostic Trouble Codes (DTCs) can be read through the vehicle Data Link Connector 3 (DLC3). When the system seems to be malfunctioning, use the Techstream to check for malfunctions and perform repairs. CHECK DLC3 (a) Check the D ...
Lexus RX (RX 350L, RX450h) 2016-2022 Repair Manual > Power Steering System: PIG Power Supply Voltage (C1552,C1554)
DESCRIPTION If a problem occurs in the system, the power source relay circuit and the motor relay circuit are shut off to stop power assist. The ECU must be replaced when there is a problem with the relays because the relays are built into the ECU. DTC No. Detection Item DTC Detection Conditi ...