2010 Lexus Truck RX 350 AWD V6-3.5L (2GR-FE) B CODE Page 187

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.

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.