Dtc B1574 Gvif Disconnected (From Park Assist/Monitoring Ecu To Emv/Mm Integrated Device)

Audio Visual Telematics. Land Cruiser. Urj200, 202 Grj200 Vdj200
Navigation Multi Info Display. Land Cruiser. Urj200, 202 Grj200 Vdj200

DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

CLEAR DTC

CHECK DTC

CHECK HARNESS AND CONNECTOR (GVIF CABLE)

REPLACE HARNESS AND CONNECTOR (GVIF CABLE)

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


DESCRIPTION


DTC Code
DTC Detection Condition
Trouble Area
B1574
GVIF disconnected (from Parking assist ECU to Multi-display)
  1. Harness or connector (GVIF cable)
  2. Multi-display assembly

WIRING DIAGRAM


Land Cruiser. Urj200, 202 Grj200 Vdj200.Navigation Multi Info Display.Navigation System.
Dtc
  B1574  Gvif Disconnected (From Park Assist/Monitoring Ecu To Emv/Mm Integrated Device)


INSPECTION PROCEDURE

1.CLEAR DTC
  1. Clear the DTCs (Click here).


NEXT


2.CHECK DTC
  1. Recheck for DTCs and check if the same DTC is output again (Click here).

    OK:
    No DTCs are output.


NG
Go to step 3
OK

USE SIMULATION METHOD TO CHECK (Click here)

3.CHECK HARNESS AND CONNECTOR (GVIF CABLE)
  1. Check that the digital signal lines between the multi-display assembly and parking assist ECU are not sharply bent or pinched, and that the connectors are properly connected and there are no other installation problems.

    OK:
    There are no installation problems.


NG
REPLACE HARNESS AND CONNECTOR (GVIF CABLE)
OK


4.REPLACE HARNESS AND CONNECTOR (GVIF CABLE)


    Land Cruiser. Urj200, 202 Grj200 Vdj200.Navigation Multi Info Display.Navigation System.
Dtc
  B1574  Gvif Disconnected (From Park Assist/Monitoring Ecu To Emv/Mm Integrated Device)
  1. Disconnect the F100 multi-display assembly connector.

  1. Disconnect the F104 parking assist ECU connector.

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

    Standard Resistance:
    Tester Connection
    Condition
    Specified Condition
    F100-1 (GVI+) - F104-1 (GVO+)
    Always
    Below 1 Ω
    F100-2 (GVI-) - F104-2 (GVO-)
    Always
    Below 1 Ω
    F100-3 (GVG1) - F104-3 (GVG1)
    Always
    Below 1 Ω
    F100-1 (GVI+) - Body ground
    Always
    10 kΩ or higher
    F100-2 (GVI-) - Body ground
    Always
    10 kΩ or higher
    F100-3 (GVG1) - Body ground
    Always
    10 kΩ or higher
    Text in Illustration
    *a
    Front view of wire harness connector
    (to Parking Assist ECU)
    *b
    Front view of wire harness connector
    (to Multi-display Assembly)


NG
REPLACE HARNESS AND CONNECTOR (GVIF CABLE)
OK

REPLACE MULTI-DISPLAY ASSEMBLY (Click here)