Tuesday, January 21, 2020

2010 Lexus Truck RX 350 AWD V6-3.5L (2GR-FE) B CODE Page 554


NG -- REPLACE MULTI-MEDIA INTERFACE ECU See: Accessories and Optional Equipment/Entertainment



Systems/Entertainment System Control Module/Service and Repair/Multi-Media Interface ECU/Removal



OK -- USB DEVICE FORMAT WAS INCOMPATIBLE, "iPod" VERSION WAS INCOMPATIBLE, OR USB DEVICE OR



"iPod" WAS DEFECTIVE



Up to 08/2009



NAVIGATION / MULTI INFO DISPLAY: NAVIGATION SYSTEM (for DVD): B1591,B15D1: No Response from Audio HU



B1591 - No Response from Audio HU



B15D1 - Audio HU Disconnectedn



DESCRIPTION



The display and navigation module display and radio receiver assembly are connected by the MOST communication line.



When an MOST communication error occurs between the display and navigation module display and radio receiver assembly, these DTCs will be



stored.



HINT



* *1: Even if no fault is present, this DTC may be stored depending on the battery condition or engine start voltage.



* The display and navigation module display is the master unit.



WIRING DIAGRAM



INSPECTION PROCEDURE



PROCEDURE



1. CHECK OPTIONAL COMPONENTS (INCLUDING ASSOCIATED WIRING)



(a) Check for optional components.



(1) Check that optional components (including associated wiring) which generate radio waves are not installed.

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