Monday, March 1, 2021

2010 Lexus Truck RX 350 AWD V6-3.5L (2GR-FE) B CODE Page 401


Text in Illustration



NG -- REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)



OK -- Continue to next step.



4. INSPECT AUTOMATIC LIGHT CONTROL SENSOR



(a) Reconnect the H3 automatic light control sensor connector.



(b) Connect an oscilloscope to the automatic light control sensor connector.



Text in Illustration



(c) Check the waveform.



OK:



HINT



If the ambient light becomes brighter, width A becomes narrower.



NG -- REPLACE AUTOMATIC LIGHT CONTROL SENSOR



OK -- REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)



Up to 08/2009



NETWORKING: LIN COMMUNICATION SYSTEM: B1273: Sliding Roof ECU Communication Stop



B1273 - Sliding Roof ECU Communication Stop



DESCRIPTION



This DTC is stored when LIN communication between the sliding roof ECU (sliding roof drive gear assembly) and main body ECU (multiplex



network body ECU) stops for more than 10 seconds.

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