NAVIGATION SYSTEM(for HDD), Diagnostic DTC:B15BB

DTC Code DTC Name
B15BB Multi-media Interface ECU Malfunction

DESCRIPTION

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

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

B15BB

Multi-media Interface ECU Malfunction

When one of the conditions below is met:

  • System microprocessor malfunction

  • Media interface microprocessor malfunction

  • CD-LSI (Large Scale Integration) malfunction

  • Internal power supply malfunction

  • USB device

  • "iPod"

  • Harness or connector

  • No. 1 stereo jack adapter assembly

  • Multi-media interface ECU

WIRING DIAGRAM

E193011E17

CAUTION / NOTICE / HINT

Tip:

After the inspection is completed, clear the DTC.

PROCEDURE

  1. REPLACE "iPod" OR USB DEVICE

    1. Disconnect the USB device or "iPod" from the stereo jack adapter.

    2. Turn the engine switch off.

      Tip:

      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.

    3. Turn the engine switch on (ACC).

    4. Connect a known good USB device or "iPod" to the stereo jack adapter.

      Tip:

      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.

    Result

    Result

    NEXT
    NEXT

  2. CHECK FOR DTC

    1. Clear the DTCs.

      Click here

      Body Electrical > Navigation System > Clear DTCs

    2. Check DTCs and check if the same DTC occurs again.

      Body Electrical > Navigation System > Trouble Codes

      OK

      No DTCs are output.

      Result

      Result

      OK

      NG
    OK

    USB DEVICE OR "iPod" WAS DEFECTIVE

    NG

  3. INSPECT MULTI-MEDIA INTERFACE ECU

    1. E199423C02

      *a

      Front view of wire harness connector

      (to No. 1 Stereo Jack Adapter Assembly)

      Disconnect the H33 No. 1 stereo jack adapter assembly connector.

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

      Standard Voltage

      Tester Connection

      Condition

      Specified Condition

      H33-1 - H33-4

      Always

      5 V

      Result

      Result

      OK

      NG
    OK

    REPLACE NO. 1 STEREO JACK ADAPTER ASSEMBLY

    Click here

    NG

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

    1. Disconnect the H34 multi-media interface ECU connector.

    2. Disconnect the H33 No. 1 stereo jack adapter assembly connector.

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

      Standard Resistance

      Tester Connection

      Condition

      Specified Condition

      H34-1 - H33-1

      Always

      Below 1 Ω

      H34-4 - H33-4

      Always

      Below 1 Ω

      H34-1 - Body ground

      Always

      10 kΩ or higher

      H34-4 - Body ground

      Always

      10 kΩ or higher

      Result

      Result

      OK

      NG
    OK

    REPLACE MULTI-MEDIA INTERFACE ECU

    Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR