NAVIGATION SYSTEM (for HDD), Diagnostic DTC:B1584

DTC Code DTC Name
B1584 Panel Switch Malfunction

DESCRIPTION

This DTC is stored when the display module board judges that the TILT switch of the multi-display switch is stuck when the power switch is on (ACC).

DTC No. DTC Detection Condition Trouble Area
B1584 Multi-display switch malfunction

  • Multi-display switch

  • Wire harness or connector

  • Display module board

WIRING DIAGRAM

A003ZGYE05

INSPECTION PROCEDURE

PROCEDURE


  1. CHECK DTC


    1. Clear the DTCs Click here.

    2. Recheck for DTCs and check if the same DTCs are output again.

      OK
      No DTCs are output.

    NG

    INSPECT MULTI-DISPLAY SWITCH Click here

    OK

    END

  2. INSPECT MULTI-DISPLAY SWITCH


    1. A003VWIE03
      Text in Illustration
      *a

      Component without harness connected

      (Multi-display Switch)

      Disconnect the H89 multi-display switch connector.

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

      Standard Resistance (for LHD)
      Tester Connection Condition Specified Condition
      H89-11 (SW2) - H89-6 (E) "TILT" switch not pressed 10 kΩ or higher
      H89-11 (SW2) - H89-6 (E) "TILT" switch pressed Below 1 Ω
      Standard Resistance (for RHD)
      Tester Connection Condition Specified Condition
      H89-12 (SW1) - H89-6 (E) "TILT" switch not pressed 10 kΩ or higher
      H89-12 (SW1) - H89-6 (E) "TILT" switch pressed Below 1 Ω

    NG

    REPLACE MULTI-DISPLAY SWITCH Click here

    OK

  3. CHECK HARNESS AND CONNECTOR


    1. Disconnect the H89 multi-display switch connector.

    2. Disconnect the H21 display module board.

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

      Standard Resistance (for LHD)
      Tester Connection Condition Specified Condition
      H89-11 (SW2) - H21-14 (VDD) Always Below 1 Ω
      H89-11 (SW2) - Body ground Always 10 kΩ or higher
      H89-6 (E) - Body ground Always Below 1 Ω
      Standard Resistance (for RHD)
      Tester Connection Condition Specified Condition
      H89-12 (SW1) - H21-14 (VDD) Always Below 1 Ω
      H89-12 (SW1) - Body ground Always 10 kΩ or higher
      H89-6 (E) - Body ground Always Below 1 Ω

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

    REPLACE DISPLAY MODULE BOARD Click here