NAVIGATION SYSTEM, Diagnostic DTC:B1575

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

DESCRIPTION

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)

  • Harness or connector (GVIF cable)

  • Multi-display

  • Radio receiver assembly

WIRING DIAGRAM

B004WSAE22

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 Navigation System.

Click here

PROCEDURE


  1. CHECK DTC


    1. Clear the DTCs.

      Click here


      Body Electrical > Navigation System > Clear DTCs

    2. Turn the power 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 (MULTI-DISPLAY - RADIO RECEIVER ASSEMBLY)


    1. B004XS0C24
      *a

      Front view of wire harness connector

      (to Multi-display)
      *b

      Front view of wire harness connector

      (to Radio Receiver Assembly)

      Disconnect the G141 multi-display connector.

    2. Disconnect the G137 radio receiver assembly connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      G137-2 (GVI+) - G141-1 (GV+) Always Below 1 Ω
      G137-1 (GVI-) - G141-2 (GV-) Always Below 1 Ω
      G137-3 (GVG1) -G141-3 (GVG) Always Below 1 Ω
      G137-2 (GVI+) - Body ground Always 10 kΩ or higher
      G137-1 (GVI-) - Body ground Always 10 kΩ or higher
      G137-3 (GVG1) - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  3. CHECK MULTI-DISPLAY


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

      Click here

    2. Clear the DTCs.

      Click here


      Body Electrical > Navigation System > Clear DTCs

    3. Turn the power 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 IS DEFECTIVE)

    NG

    REPLACE RADIO RECEIVER ASSEMBLY Click here