2010 Lexus Truck RX 350 AWD V6-3.5L (2GR-FE) B CODE Page 564

NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR

OK -- Continue to next step.

4. REPLACE RADIO RECEIVER ASSEMBLY

(a) Replace the radio receiver assembly See: Accessories and Optional Equipment/Radio, Stereo, and Compact

Disc/Radio/Stereo/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 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): 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 a MOST communication error occurs between the display and navigation module display and radio receiver assembly, these DTCs will be

stored.

HINT

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