Lexus RX (RX 350L, RX450h) 2016-2024 Repair Manual: Problem Symptoms Table

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.

Fuel Lid Opener System

Symptom	Suspected Area	Link
Fuel lid opener does not lock/unlock	Power door lock control system
	Wireless door lock control system
	Smart access system (for Entry Function)
	Fuel lid lock with motor assembly
	Main body ECU (Multiplex network body ECU)	-
	Instrument panel junction block assembly	-
	Wire harness or connector	-

Lexus RX (RX 350L, RX450h) 2016-2024 Repair Manual > Steering Lock System: Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART Steering Lock System DTC No. Detection Item DTC Detection Condition Note Link B2781 Open / Short in Steering Lock ECU One of the following conditions is met (1-trip detection logic (Only output while a malfunction is present and the engine switch is o ...

Lexus RX (RX 350L, RX450h) 2016-2024 Repair Manual > Power Tilt And Power Telescopic Steering Column System: Lost Communication with Main Body ECU (U0142,U0208)
DESCRIPTION The multiplex tilt and telescopic ECU receives signals from the main body ECU (multiplex network body ECU) and position control ECU and switch assembly LH via CAN communication. DTC No. Detection Item DTC Detection Condition Trouble Area U0142 Lost Communication with Main ...

Lexus RX (RX 350L, RX450h) 2016-{YEAR} Owners Manual