Thursday, January 9, 2020

2010 Lexus Truck RX 350 AWD V6-3.5L (2GR-FE) B CODE Page 2123


These DTCs are recorded when a malfunction is detected in the front passenger side knee airbag squib circuit.



WIRING DIAGRAM



INSPECTION PROCEDURE



HINT



* Perform the simulation method by selecting Check Mode (Signal Check) using the Techstream See: Restraints and Safety



Systems/Air Bag Systems/Testing and Inspection/Reading and Clearing Diagnostic Trouble Codes/Check Mode Procedure.



* After selecting Check Mode (Signal Check), perform the simulation method by wiggling each connector of the airbag system



or driving the vehicle on a city or rough road See: Accessories and Optional Equipment/Antitheft and Alarm



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



PROCEDURE



1. CHECK CONNECTORS



(a) Turn the engine switch off.



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



NOTICE:



Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to disable the SRS system.



(c) Check that the connectors are properly connected to the front passenger side knee airbag assembly and center airbag sensor assembly.



OK:



The connectors are properly connected.



HINT



If the connectors are not connected securely, reconnect the connectors and proceed to the next inspection.

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