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AUDIO AND VISUAL SYSTEM, Diagnostic DTC:B1577

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DTC Code DTC Name
B1577 GVIF Disconnected (from EMV/MM Integrated Device to RSE)
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DESCRIPTION

The radio receiver assembly and multi-display controller sub-assembly are connected by GVIF cable.

When a GVIF cable error occurs between the radio receiver assembly and multi-display controller sub-assembly, this DTCs will be stored.

DTC No. Detection Item DTC Detection Condition Trouble Area
B1577 GVIF Disconnected (from EMV/MM Integrated Device to RSE) GVIF disconnected (from radio receiver assembly to multi-display controller sub-assembly)

  • Harness and connector (GVIF cable)

  • Multi-display controller sub-assembly

  • Radio receiver assembly
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WIRING DIAGRAM

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CAUTION / NOTICE / HINT

Note:

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.

Tip:

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

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PROCEDURE


  1. Click here

    CHECK DTC


    1. Clear the DTCs.

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      1. Body Electrical > Navigation System > Clear DTCs


    2. Turn the power switch off.

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

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      1. Body Electrical > Navigation System > Trouble Codes


      OK
      No DTCs are output.
      Result
      Proceed to
      OK
      NG

  2. Click here

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


    1. B004XS0C23
      *a

      Front view of wire harness connector

      (to Radio Receiver Assembly)
      *b

      Front view of wire harness connector

      (to Multi-display Controller Sub-assembly)

      Disconnect the G140 radio receiver assembly connector.

    2. Disconnect the L160 multi-display controller sub-assembly.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      G140-2 (GVO+) - L160-2 (GVI+) Always Below 1 Ω
      G140-1 (GVO-) - L160-1 (GVI-) Always Below 1 Ω
      G140-3 (GVG2) -L160-3 (GVG1) Always Below 1 Ω
      G140-2 (GVO+) - Body ground Always 10 kΩ or higher
      G140-1 (GVO-) - Body ground Always 10 kΩ or higher
      G140-3 (GVG2) - 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 CONTROLLER SUB-ASSEMBLY


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

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    2. Clear the DTCs.

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      1. Body Electrical > Navigation System > Clear DTCs


    3. Turn the power switch off.

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

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      1. Body Electrical > Navigation System > Trouble Codes


      OK
      No DTCs are output.
      Result
      Proceed to
      OK
      NG

    • OK

      END (MULTI-DISPLAY CONTROLLER SUB-ASSEMBLY IS DEFECTIVE)

    • NG

      REPLACE RADIO RECEIVER ASSEMBLYClick here