2010 Lexus Truck RX 350 AWD V6-3.5L (2GR-FE) B CODE Page 568

OK -- END

Up to 08/2009

NAVIGATION / MULTI INFO DISPLAY: NAVIGATION SYSTEM (for DVD): 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

* *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.

Result:

HINT

* Electrical noise from radio waves generated by optional components or the wiring for those components may affect MOST

communication.

* This DTC may be stored when a MOST communication error occurs due to electrical noise.

B -- CHECK DTC

A -- Continue to next step.

2. REMOVE OPTIONAL COMPONENTS (INCLUDING ASSOCIATED WIRING)