2010 Lexus Truck RX 350 AWD V6-3.5L (2GR-FE) B CODE Page 579

Diagnostic Trouble Codes/Navigation System (for HDD).

(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 See: Accessories and Optional Equipment/Navigation

System/Service and Repair/Navigation Receiver (for HDD)/Removal

OK -- END

From 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.

WIRING DIAGRAM

INSPECTION PROCEDURE

NOTICE:

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