NAVIGATION SYSTEM (for Navigation Receiver Type), Diagnostic DTC:B1574

DTC Code DTC Name
B1574 GVIF Disconnected (from Park Assist/Monitoring ECU to EMV/MM Integrated Device)

DESCRIPTION

The navigation ECU sub-assembly and parking assist ECU are connected via video signal (digital) lines.

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

DTC No. DTC Detection Condition Trouble Area
B1574 Video signal (digital) is lost.

  • Harness and connector

  • Navigation ECU sub-assembly

  • Parking assist ECU

WIRING DIAGRAM

A00446RE06

INSPECTION PROCEDURE

Note

Depending on the parts that are replaced or operations that are performed during vehicle inspection or maintenance, calibration of other systems as well as the intelligent parking assist system may be needed Click here.

PROCEDURE


  1. REPLACE HARNESS AND CONNECTOR (NAVIGATION ECU SUB-ASSEMBLY - PARKING ASSIST ECU)


    1. Replace the harness and connector.

    2. Clear the DTCs Click here.

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

      OK
      No DTCs are output.

    NG

    REPLACE PARKING ASSIST ECU Click here

    OK

    END

  2. REPLACE PARKING ASSIST ECU


    1. Replace the parking assist ECU Click here.

    2. Clear the DTCs Click here.

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

      OK
      No DTCs are output.

    NG

    REPLACE NAVIGATION ECU SUB-ASSEMBLY Click here

    OK

    END