2010 Lexus Truck RX 350 AWD V6-3.5L (2GR-FE) B CODE Page 316

5. CHECK HARNESS AND CONNECTOR (MULTI-MEDIA INTERFACE ECU POWER SOURCE)

(a) Reconnect the display and navigation module display connector.

(b) Disconnect the multi-media interface ECU connector.

(c) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

(d) Measure the voltage according to the value(s) in the table below.

Standard Voltage:

Text in Illustration

NG -- REPLACE DISPLAY AND NAVIGATION MODULE DISPLAY

OK -- Continue to next step.

6. REPLACE MULTI-MEDIA INTERFACE ECU

(a) Replace the multi-media interface ECU See: Accessories and Optional Equipment/Entertainment Systems/Entertainment System

Control Module/Service and Repair/Multi-Media Interface ECU/Removal.

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

Diagnostic Trouble Codes/Navigation System (for DVD).

(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

OK -- END

Up to 08/2009

NAVIGATION / MULTI INFO DISPLAY: NAVIGATION SYSTEM (for HDD): B156E,B156B: No Response from Multi-media Interface

ECU

B156E - No Response from Multi-media Interface ECU

B156B - Multi-media Interface ECU Disconnected