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) 2016-2026 Repair Manual > Pre-collision System: Dtc Check / Clear
DTC CHECK / CLEAR CHECK DTC (a) Connect the Techstream to the DLC3. (b) Turn the engine switch on (IG). (c) Turn the Techstream on. (d) Enter the following menus: Body Electrical / Pre-Collision System / Trouble Codes. Body Electrical > Pre-Collision System > Trouble Codes (e) Check for DTCs ( ...
Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Airbag System: Lost Communication with Front Door Pressure Sensor LH (B167B,B167C)
DESCRIPTION The side collision sensor LH circuit (bus 1) consists of the airbag sensor assembly, door side airbag sensor LH and rear airbag sensor LH. The door side airbag sensor LH and rear airbag sensor LH detect impacts to the vehicle and send signals to the airbag sensor assembly to determine if ...