SYSTEM DIAGRAM
w/ Manual (SOS) Switch
w/o Manual (SOS) Switch
for 9 Speakers
for 12 Speakers 
Parts Location
System DescriptionLexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Ambient Light(for Front Door): Inspection
INSPECTION PROCEDURE 1. INSPECT FRONT DOOR TRIM BOARD SUBASSEMBLY LH (FRONT DOOR AMBIENT ILLUMINATION LIGHT LH) (a) Apply battery voltage to the connector and check that the front door ambient illumination light LH comes on. OK: Measurement Condition Condition Specified Condition Batt ...
Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Can Communication System: Check Bus 4 Line for Short to GND
DESCRIPTION There may be a short circuit between one of the CAN bus lines and GND when there is no resistance between terminal 22 (CA2H) of the network gateway ECU and terminal 4 (CG) of the DLC3, or terminal 7 (CA2L) of the network gateway ECU and terminal 4 (CG) of the DLC3. Symptom Trouble A ...