Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual: Lost Communication with Power Source Control (B278C)

NOTICE:

• If the certification ECU (smart key ECU assembly) is replaced, refer to Registration.

  Click here

• When using the Techstream with the engine switch off, connect the Techstream to the DLC3 and turn a courtesy light switch on and off at intervals of 1.5 seconds or less until communication between the Techstream and the vehicle begins. Then select Model Code "KEY REGIST" under manual mode and enter the following menus: Body Electrical / Smart Access(CAN). While using the Techstream, periodically turn a courtesy light switch on and off at intervals of 1.5 seconds or less to maintain communication between the Techstream and the vehicle.

No Response from ID BOX (B2789)

DESCRIPTION This DTC is stored when LIN communication between the certification ECU (smart key ECU assembly) and ID code box (immobiliser code ECU) stops for 10 seconds or more. DTC No. Detection ...

Network Gateway Ecu

...

Other materials:

Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Lighting System (w/ Automatic Headlight Beam Level Control System): Vehicle Control History
VEHICLE CONTROL HISTORY CHECK VEHICLE CONTROL HISTORY HINT: The vehicle control history data stores the history of the reject function and system protection operations. The number of occurrences, date and distance are stored in batches for each item. (a) Connect the Techstream to the DLC3. ( ...

Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Wireless Door Lock Control System: Parts Location
PARTS LOCATION ILLUSTRATION *A for LED Type Turn Signal Light - - *1 HEADLIGHT ASSEMBLY RH - TURN SIGNAL LIGHT *2 HEADLIGHT ASSEMBLY LH - TURN SIGNAL LIGHT *3 SIDE TURN SIGNAL LIGHT ASSEMBLY RH *4 SIDE TURN SIGNAL LIGHT ASSEMBLY LH *5 REAR LIGHT ASSEMBLY RH - TURN ...