Electro Multi Vision System

AUDIO / VISUAL: ELECTRO MULTI VISION SYSTEM: B15BB: Multi-media Interface ECU Malfunction
B15BB - Multi-media Interface ECU Malfunction

DESCRIPTION

This DTC is stored when a malfunction occurs in the multi-media interface ECU.

WIRING DIAGRAM

INSPECTION PROCEDURE

HINT
After the inspection is completed, clear the DTC.

PROCEDURE

1. REPLACE "iPod" OR USB DEVICE

(a) Disconnect the USB device or "iPod" from the stereo jack adapter.

(b) Turn the engine switch off.

HINT
When one of these DTCs has been stored, is necessary to turn off the engine switch to make it possible for the vehicle to recognize a new device when it is connected.

(c) Turn the engine switch on (ACC).

(d) Connect a known good USB device or "iPod" to the stereo jack adapter.

HINT
If the malfunction occurred when a USB device was in use, use another USB device for the inspection. If the malfunction occurred when an "iPod" was in use, use another "iPod" for the inspection.

NEXT -- Continue to next step.

2. CHECK FOR DTC

(a) Clear the DTCs Reading and Clearing Diagnostic Trouble Codes.

(b) Check DTCs and check if the same DTC occurs again.

OK:

No DTCs are output.

NG -- INSPECT MULTI-MEDIA INTERFACE ECU

OK -- USB DEVICE OR "iPod" WAS DEFECTIVE

3. INSPECT MULTI-MEDIA INTERFACE ECU

(a) Disconnect the L128 No. 1 stereo jack adapter assembly connector.

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

Standard Voltage:

Text in Illustration

NG -- CHECK HARNESS AND CONNECTOR (MULTI-MEDIA INTERFACE ECU - STEREO JACK ADAPTER)

OK -- REPLACE NO. 1 STEREO JACK ADAPTER ASSEMBLY

4. CHECK HARNESS AND CONNECTOR (MULTI-MEDIA INTERFACE ECU - STEREO JACK ADAPTER)

(a) Disconnect the h1 multi-media interface ECU connector.

(b) Disconnect the L128 No. 1 stereo jack adapter assembly connector.

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

Standard Resistance:

NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR

OK -- REPLACE MULTI-MEDIA INTERFACE ECU Removal