Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual: Network Gateway Ecu

Lost Communication with Power Source Control (B278C)

DESCRIPTION This DTC is stored when LIN communication between the certification ECU (smart key ECU assembly) and power management control ECU stops for 10 seconds or more. DTC No. Detection Item ...

Components

COMPONENTS ILLUSTRATION *1 ECU INTEGRATION BOX RH *2 NETWORK GATEWAY ECU ...

Other materials:

Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Wiper And Washer System: Headlight Cleaner Motor and Relay Circuit
DESCRIPTION The headlight cleaner motor and pump assembly is controlled by the headlight ECU sub-assembly RH. When the headlight ECU sub-assembly RH receives the washer switch operation signal 5 times with the low beam headlights on, it operates the H-LP CLN relay once. WIRING DIAGRAM CAUTION / NOT ...

Lexus 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 ( ...