Wednesday, May 26, 2021

2010 Lexus Truck RX 350 AWD V6-3.5L (2GR-FE) B CODE Page 1597


HINT



When DTC B1650/32 is detected as a result of troubleshooting for the airbag system, check the DTCs stored in the occupant



classification ECU. When DTC B1793 is output, perform troubleshooting for the DTC.



WIRING DIAGRAM



INSPECTION PROCEDURE



HINT



* If troubleshooting (wire harness inspection) is difficult to perform, remove the front passenger seat installation bolts to see



under the seat cushion.



* In the above case, hold the seat so that it does not fall down. Hold the seat only as necessary because holding the seat for a long



period of time may cause seat rail deformation.



PROCEDURE



1. CHECK CONNECTORS



(a) Turn the engine switch off.



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



(c) Check that the connectors are properly connected to the 4 occupant classification sensors and occupant classification ECU.



OK:



The connectors are properly connected.



HINT



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



(d) Disconnect the connectors from the 4 occupant classification sensor and occupant classification ECU.



(e) Check that the terminals of connectors are not damaged.



OK:



The terminals are not deformed or damaged.



NG -- REPLACE FRONT SEAT WIRE RH



OK -- Continue to next step.



2. CHECK FRONT SEAT WIRE RH (SHORT TO B+)



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

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