PARTS LOCATION
ILLUSTRATION
| *1 | FRONT DOOR COURTESY LIGHT SWITCH ASSEMBLY LH | *2 | ENGINE ROOM RELAY BLOCK AND JUNCTION BLOCK ASSEMBLY - IG2 RELAY - IG2-MAIN FUSE - ECU-IG2 NO. 1 FUSE |
ILLUSTRATION
| *1 | MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) | *2 | ID CODE BOX (IMMOBILISER CODE ECU) |
| *3 | CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) | *4 | INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY - STRG LOCK FUSE |
| *5 | DLC3 | *6 | STEERING LOCK ECU (STEERING LOCK ACTUATOR OR UPPER BRACKET ASSEMBLY) |
How To Proceed With Troubleshooting
PrecautionLexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Front Bumper: Components
COMPONENTS ILLUSTRATION *A for TMMC Made - - *1 COOL AIR INTAKE DUCT SEAL *2 FRONT BUMPER ASSEMBLY *3 FRONT FENDER MOULDING SUB-ASSEMBLY LH *4 FRONT FENDER MOULDING SUB-ASSEMBLY RH ILLUSTRATION *A w/o Fog Light *B w/ Fog Light *C w/ Panoramic View Mon ...
Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Theft Deterrent System: Power Source Circuit
DESCRIPTION Based on changes in the power source voltage, the main body ECU (multiplex network body ECU) can detect if the battery has been disconnected and reconnected. WIRING DIAGRAM CAUTION / NOTICE / HINT NOTICE:
Before replacing the main body ECU (multiplex network body ECU), refer to Regis ...