Saturday, March 23, 2019

2010 Lexus Truck RX 350 AWD V6-3.5L (2GR-FE) Page 565


SUPPLEMENTAL RESTRAINT SYSTEMS: AIRBAG SYSTEM: B1865/65-B1868/65: Short in Front Passenger Side Knee Airbag Squib



Circuit



B1868/65 - Short to B+ in Front Passenger Side Knee Airbag Squib Circuit



DESCRIPTION



The front passenger side knee airbag squib circuit consists of the center airbag sensor assembly and the front passenger side knee airbag assembly.



This circuit instructs the SRS to deploy when deployment conditions are met.



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.

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