Monday, May 13, 2019

2010 Lexus Truck RX 350 AWD V6-3.5L (2GR-FE) B CODE Page 2351


OK:



Airbag system DTC is not output.



NG -- GO TO AIR BAG SYSTEM See: Diagnostic Trouble Code Descriptions/Airbag System



OK -- Continue to next step.



3. CHECK DTC OUTPUT (OCCUPANT CLASSIFICATION SYSTEM)



(a) Check DTC for the occupant classification system See: Restraints and Safety Systems/Testing and Inspection/Reading and Clearing



Diagnostic Trouble Codes.



OK:



DTC B1771 is not output.



NG -- GO TO OCCUPANT CLASSIFICATION SYSTEM See: Diagnostic Trouble Code Descriptions/Occupant Classification



System



OK -- Continue to next step.



4. CHECK DTC OUTPUT (PRE-COLLISION SYSTEM)



(a) Using the Techstream, enter the following menus: Body Electrical / Pre-Collision / Trouble Codes.



(b) Clear the DTCs See: Accessories and Optional Equipment/Collision Avoidance and Parking Assist Systems/Testing and



Inspection/Reading and Clearing Diagnostic Trouble Codes/Pre-Collision System.



(c) Recheck for DTCs.



OK:



DTC B2074 or B2075 is not output.



NG -- REPLACE SEAT BELT CONTROL ECU



OK -- CHECK FOR INTERMITTENT PROBLEMS (SYMPTOM SIMULATION) See: Accessories and Optional



Equipment/Antitheft and Alarm Systems/Diagrams/Diagnostic Aids/How To Troubleshoot ECU Controlled Systems/How To Proceed



With Troubleshooting



From 08/2009



PRE-COLLISION: PRE-COLLISION SYSTEM: B2074,B2075: Driver Side Seat Belt Buckle Switch Circuit Malfunction



B2075 - Passenger Side Seat Belt Buckle Switch Circuit Malfunction



DESCRIPTION



These DTCs are stored when a malfunction is detected in the driver side buckle switch circuit or passenger side buckle switch circuit.

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