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NAVIGATION SYSTEM, Diagnostic DTC:B1575

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DTC Code DTC Name
B1575 GVIF Disconnected (from EMV/MM Integrated Device to Multi Display)
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DESCRIPTION

The radio receiver assembly and multi-display assembly are connected via video signal (digital) lines.

This DTC is stored when a video signal (digital) line is disconnected.

DTC No. Detection Item DTC Detection Condition Trouble Area
B1575 GVIF Disconnected (from EMV/MM Integrated Device to Multi Display) GVIF disconnected (from radio receiver assembly to multi-display assembly)

  • Harness or connector (GVIF cable)

  • Multi-display assembly

  • Radio receiver assembly
Table 1. *a Multi-display Assembly *b Radio Receiver Assembly *c GVIF Cable
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WIRING DIAGRAM

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CAUTION / NOTICE / HINT

Note:

  • Depending on the parts that are replaced during vehicle inspection or maintenance, performing initialization, registration or calibration may be needed. Refer to Precaution for Navigation System.

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  • When replacing the radio receiver assembly, always replace it with a new one. If a radio receiver assembly which was installed to another vehicle is used, the following may occur:


    • A communication malfunction DTC may be stored.

    • The radio receiver assembly may not operate normally.

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PROCEDURE


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    CHECK DTC


    1. Clear the DTCs.


      1. Body Electrical > Navigation System > Clear DTCs


    2. Turn the engine switch off.

    3. Recheck for DTCs and check that no DTCs are output.


      1. Body Electrical > Navigation System > Trouble Codes


      OK
      No DTCs are output.
      Result
      Proceed to
      OK
      NG

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    CHECK HARNESS AND CONNECTOR (MULTI-DISPLAY - RADIO RECEIVER ASSEMBLY)


    1. B0066OEC37
      *a

      Front view of wire harness connector

      (to Radio Receiver Assembly)
      *b

      Front view of wire harness connector

      (to Multi-display Assembly)

      Disconnect the O168 multi-display assembly connector.

    2. Disconnect the O167 radio receiver assembly connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      O167-2 (GVIF+) - O168-1 (GVIF+) Always Below 1 Ω
      O167-1 (GVIF-) - O168-2 (GVIF-) Always Below 1 Ω
      O167-3 (GND) - O168-3 (GND) Always Below 1 Ω
      O167-2 (GVIF+) or O168-1 (GVIF+) - Body ground Always 10 kΩ or higher
      O167-1 (GVIF-) or O168-2 (GVIF-) - Body ground Always 10 kΩ or higher
      O167-3 (GND) or O168-3 (GND) - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    • OKClick here
    • NG

      REPAIR OR REPLACE HARNESS OR CONNECTOR

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    CHECK MULTI-DISPLAY ASSEMBLY


    1. Replace the multi-display assembly with a new or known good one.

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    2. Clear the DTCs.


      1. Body Electrical > Navigation System > Clear DTCs


    3. Turn the engine switch off.

    4. Recheck for DTCs and check that no DTCs are output.


      1. Body Electrical > Navigation System > Trouble Codes


      OK
      No DTCs are output.
      Result
      Proceed to
      OK
      NG

    • OK

      END (MULTI-DISPLAY ASSEMBLY IS DEFECTIVE)

    • NG

      REPLACE RADIO RECEIVER ASSEMBLYClick here