Saturday, April 3, 2021

2010 Lexus Truck RX 350 AWD V6-3.5L (2GR-FE) B CODE Page 2641


When the position control ECU and switch assembly (seat ECU) does not receive a sensor signal despite forward or backward movement of seat by



power seat motor operation, this DTC is output.



WIRING DIAGRAM



INSPECTION PROCEDURE



HINT



Inspect the fuses for circuits related to this system before performing the following inspection procedure.



PROCEDURE



1. CHECK FOR 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 / D-Seat / Trouble Codes.



(e) Clear the DTC See: Body and Frame/Seats/Testing and Inspection/Reading and Clearing Diagnostic Trouble Codes.



(f) Recheck for DTC B2650.



Result:



B -- USE SIMULATION METHOD TO CHECK See: Accessories and Optional Equipment/Antitheft and Alarm



Systems/Diagrams/Diagnostic Aids/How To Troubleshoot ECU Controlled Systems/How To Proceed With Troubleshooting



A -- Continue to next step.



2. PERFORM ACTIVE TEST USING TECHSTREAM



(a) Enter the following menus: Body Electrical / D-Seat / Active Test.



(b) Perform the Active Test according to the display on the Techstream.

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