Friday, November 13, 2020

2010 Lexus Truck RX 350 AWD V6-3.5L (2GR-FE) B CODE Page 2331


(e) Recheck for DTCs.



OK:



DTCs are 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



Up to 08/2009



PRE-COLLISION: PRE-COLLISION SYSTEM: B2036: Power Supply Relay Malfunction Open



B2036 - Power Supply Relay Malfunction Open



DESCRIPTION



If the seat belt control ECU judges that there is a malfunction in its internal circuit as a result of self-diagnosis, or if the power source voltage (+B) is



not input to the seat belt control ECU, this DTC will be stored.



INSPECTION PROCEDURE



NOTICE:



Inspect the fuses for circuits related to this system before performing the following inspection procedure.



PROCEDURE



1. INSPECT SEAT BELT CONTROL ECU (+B TERMINAL VOLTAGE)



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



CAUTION:



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



(b) Disconnect the seat belt control ECU connector.



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



(d) Measure the voltage according to the value(s) in the table below.

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