Thursday, January 9, 2020

2010 Lexus Truck RX 350 AWD V6-3.5L (2GR-FE) B CODE Page 1501


(a) Turn the engine switch off.



(b) Disconnect the cable from the negative (-) battery terminal.



(c) Replace the front seat inner belt assembly RH See: Restraints and Safety Systems/Seat Belt Systems/Seat Belt/Service and



Repair/Removal and Replacement/Front Seat Inner Belt Assembly/Removal.



HINT



Perform the inspection using parts from a normal vehicle if possible.



(d) Connect the cable to the negative (-) battery terminal.



(e) Turn the engine switch on (IG).



(f) Clear the DTCs stored in the occupant classification ECU See: Restraints and Safety Systems/Testing and Inspection/Reading and



Clearing Diagnostic Trouble Codes.



(g) Clear the DTCs stored in the center airbag sensor assembly See: Restraints and Safety Systems/Air Bag Systems/Testing and



Inspection/Reading and Clearing Diagnostic Trouble Codes/DTC Check / Clear.



(h) Turn the engine switch off.



(i) Turn the engine switch on (IG).



(j) Check for DTCs See: Restraints and Safety Systems/Testing and Inspection/Reading and Clearing Diagnostic Trouble Codes.



OK:



DTC B1771 is not output.



HINT



Codes other than DTC B1771 may be output at this time, but they are not related to this check.



NG -- REPLACE OCCUPANT CLASSIFICATION ECU



OK -- END



8. REPLACE OCCUPANT CLASSIFICATION ECU



(a) Turn the engine switch off.



(b) Disconnect the cable from the negative (-) battery terminal.



(c) Replace the occupant classification ECU See: Restraints and Safety Systems/Air Bag Systems/Seat Occupant Sensor/Service and



Repair/Occupant Classification ECU/Removal.



NEXT -- Continue to next step.



9. PERFORM ZERO POINT CALIBRATION



(a) Connect the cable to the negative (-) battery terminal.



(b) Connect the Techstream to the DLC3.



(c) Turn the engine switch on (IG).



(d) Using the Techstream, perform Zero Point Calibration See: Restraints and Safety Systems/Testing and Inspection/Programming and



Relearning.



OK:



"Zero Point Calibration is complete." is displayed.



NEXT -- Continue to next step.



10. PERFORM SENSITIVITY CHECK



(a) Using the Techstream, perform Sensitivity Check See: Restraints and Safety Systems/Testing and Inspection/Programming and

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