HEADUP DISPLAY SYSTEM TERMINALS OF ECU


  1. HEADUP DISPLAY (METER MIRROR SUB-ASSEMBLY)

    A01RBF9N03

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

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      K1-1 (B) - Body ground GR - Body ground Battery Always 11 to 14 V
      K1-2 (IG) - Body ground B - Body ground Engine switch signal Engine switch off Below 1 V
      Engine switch on (IG) 11 to 14 V
      K1-4 (MPX1) - Body ground B - Body ground CAN communication line - -
      K1-5 (MPX2) - Body ground W - Body ground CAN communication line - -
      K1-6 (ES) - Body ground BR - Body ground Ground Always Below 1 Ω
      K1-7 (TX+) - Body ground SB - Body ground Local bus communication line - -
      K1-8 (TX-) - Body ground BE - Body ground Local bus communication line - -
      K1-15 (E) - Body ground R - Body ground Ground Always Below 1 Ω
      K1-16 (SW1) - K1-6 (ES) LG - BR Headup display switch assembly signal Engine switch on (IG), headup display switch assembly not pushed 4 to 6 V
      Engine switch on (IG), headup display switch assembly pushed Below 1 V