2010 Lexus Truck RX 350 AWD V6-3.5L (2GR-FE) B CODE Page 341

NAVIGATION / MULTI INFO DISPLAY: NAVIGATION SYSTEM (for HDD): B159D,B15D9: No Response from Operation Panel

B159D - No Response from Operation Panel

B15D9 - Operation Panel Disconnected

DESCRIPTION

The display and navigation module display and radio receiver assembly (A/C control panel) are connected by the AVC-LAN communication line.

When an AVC-LAN communication error occurs between the display and navigation module display and radio receiver assembly (A/C control

panel), these DTCs will be stored.

HINT

If either B159D or B15D9 and either B1597 or B15D6 are output, troubleshoot for B1597 or B15D6 first.

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

NOTICE:

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

* After replacing the radio receiver assembly of vehicles subscribed to pay-type satellite radio broadcasts, registration of the

XM radio ID is necessary. (w/ SDARS System)

PROCEDURE

1. CHECK DTC

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

Diagnostic Trouble Codes/Navigation System (for HDD).

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

Result:

C -- END

B -- GO TO DTC CHART

A -- Continue to next step.

2. CHECK OPTIONAL COMPONENTS (INCLUDING ASSOCIATED WIRING)