NAVIGATION SYSTEM (for DVD), Diagnostic DTC:B1584

DTC Code DTC Name
B1584 Panel Switch Malfunction

DESCRIPTION

When the power switch is on (ACC), if the display module board judges that the "TILT" switch in the multi-display switch is stuck, this DTC will be stored.

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 DTC Click here.

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

      OK
      No DTCs are output.

    NG

    INSPECT MULTI-DISPLAY SWITCH Click here

    OK

    END

  2. INSPECT MULTI-DISPLAY SWITCH


    1. A003VWIE07
      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
      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 H21display 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
      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