2010 Lexus Truck RX 350 AWD V6-3.5L (2GR-FE) B CODE Page 574

NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR

OK -- Continue to next step.

6. REPLACE STEREO COMPONENT AMPLIFIER ASSEMBLY

(a) Replace the stereo component amplifier assembly See: Accessories and Optional Equipment/Radio, Stereo, and Compact

Disc/Amplifier/Service and Repair/Removal.

(b) Clear the DTCs See: Accessories and Optional Equipment/Navigation System/Testing and Inspection/Reading and Clearing

Diagnostic Trouble Codes/Navigation System (for DVD).

(c) Recheck for DTCs and check if the same DTC is output again.

OK:

No DTCs are output.

NG -- REPLACE DISPLAY AND NAVIGATION MODULE DISPLAY

OK -- END

Up to 08/2009

NAVIGATION / MULTI INFO DISPLAY: NAVIGATION SYSTEM (for HDD): B1593,B15D3: No Response from Stereo Component

Amplifier

B1593 - No Response from Stereo Component Amplifier

B15D3 - Stereo Component Amplifier Disconnectedn

DESCRIPTION

The display and navigation module display and stereo component amplifier assembly are connected by the MOST communication line.

When a MOST communication error occurs between the display and navigation module display and stereo component amplifier assembly, these

DTCs will be stored.

HINT

For the MOST network, the display and navigation module display is the master unit.