AUDIO AND VISUAL SYSTEM, Diagnostic DTC:B1577

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

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

WIRING DIAGRAM

B006COEE20

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.

Tech Tips

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.

Click here

PROCEDURE


  1. CHECK DTC


    1. Clear the DTCs.

      Click here


      Body Electrical > Navigation System > Clear DTCs

    2. Turn the engine switch off.

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

      Click here


      Body Electrical > Navigation System > Trouble Codes
      OK
      No DTCs are output.
      Result
      Proceed to
      OK
      NG

    OK

    USE SIMULATION METHOD TO CHECK Click here

    NG

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


    1. B006F1KC23
      *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

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  3. CHECK MULTI-DISPLAY CONTROLLER SUB-ASSEMBLY


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

      Click here

    2. Clear the DTCs.

      Click here


      Body Electrical > Navigation System > Clear DTCs

    3. Turn the engine switch off.

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

      Click here


      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 ASSEMBLY Click here