Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual: Problem Symptoms Table

HINT:

• Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspected areas in the order they are listed. Replace parts as necessary.
• Inspect the fuses and relays related to this system before inspecting the suspected areas below.

Initialization

INITIALIZATION INITIALIZE SLIDING ROOF SYSTEM NOTICE: When the sliding roof glass sub-assembly or sliding roof drive cable sub-assembly is adjusted or removed/installed, or the sliding roof drive g ...

Terminals Of Ecu

TERMINALS OF ECU CHECK SLIDING ROOF ECU (SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY) (a) Disconnect the U2 sliding roof ECU (sliding roof drive gear sub-assembly) connector. (b) Measure the resistance and ...

Other materials:

Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Vehicle Stability Control System: ECM Communication (C124A00)
DESCRIPTION DTC No. Detection Item DTC Detection Condition Trouble Area C124A00 ECM Communication Any of the following is detected: The engine type, powertrain variation, engine stop and start ECU availability and destination information sent from the ECM do not match the informa ...

Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Sfi System: HO2S Heater Control Bank 1 Sensor 1 Circuit Short to Battery (P003012,P003013,P005012,P005013,P101A9E,P103A9E)
DESCRIPTION Refer to DTC P219519. Click here HINT: When any of these DTCs are stored, the ECM enters fail-safe mode. The ECM turns off the air fuel ratio sensor heater in fail-safe mode. Fail-safe mode continues until the engine switch is turned off. Although the DTC titles say oxygen sensor ...