2010 Lexus Truck RX 350 AWD V6-3.5L (2GR-FE) B CODE Page 256

Inspection/Programming and Relearning/Exterior Lighting System/Customize Parameters.

(4) To match-up the items in the multi-display with the items on the Techstream, check the customize parameters list for the lighting

system (for exterior) related items that can be customized via the multi-display screen See: Lighting and Horns/Testing and

Inspection/Programming and Relearning/Exterior Lighting System/Customize Parameters.

(5) To match-up the items in the multi-display with the items on the Techstream, check the customize parameters list for the front

power seat control system (w/ memory) related items that can be customized via the multi-display screen See: Body and

Frame/Seats/Testing and Inspection/Programming and Relearning.

(c) Using the Techstream, confirm that it is possible to change the settings of the customize parameters that are available for customization

via the multi-display screen.

OK:

The items available for customization via the multi-display screen can be customized successfully using the Techstream.

Text in Illustration

NG -- REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) See: Body and Frame/Body Control

Systems/Body Control Module/Service and Repair/Removal

OK -- REPLACE DISPLAY AND NAVIGATION MODULE DISPLAY See: Accessories and Optional Equipment/Navigation

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

Up to 08/2009

NAVIGATION / MULTI INFO DISPLAY: NAVIGATION SYSTEM (for HDD): B15F7: Certification ECU Vehicle Information

Reading/Writing Process Malfunction

B15F7 - Certification ECU Vehicle Information Reading/Writing Process Malfunction

DESCRIPTION

This DTC is stored when items controlled by the certification ECU (smart key ECU assembly) cannot be customized via the navigation system

vehicle customization screen.

HINT

The certification ECU (smart key ECU assembly) controls the items for the following systems that are customizable via the

navigation system screen:

* Smart access system with push-button start (for Entry Function)

* Smart access system with push-button start (for Start Function)

INSPECTION PROCEDURE

PROCEDURE

1. CHECK CAN COMMUNICATION SYSTEM

(a) Use the Techstream to check if the CAN communication system is functioning normally See: Powertrain Management/Computers

and Control Systems/Information Bus/Testing and Inspection/Initial Inspection and Diagnostic Overview/CAN Communication

System/Diagnosis System.