WINDOW DEFOGGER SYSTEM TERMINALS OF ECU


  1. CHECK MULTIPLEX NETWORK FRONT LIGHT ECU (FRONT CONTROLLER)

    A01GN13E07

    1. Disconnect the A50 and A52 ECU connectors.

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

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      A52-1 (BATB) - A50-2 (E) P - W-B Battery power supply Always 11 to 14 V
      A52-5 (ALTB) - A50-2 (E) L - W-B Battery power supply Always 11 to 14 V
      A50-1 (FMB3) - A50-2 (E) LG - W-B Battery power supply Always 11 to 14 V
      A50-2 (E) - Body ground W-B - Body ground Ground Always Below 1 Ω
      A50-5 (FMIG) - A50-2 (E) Y - W-B Ignition power supply Engine switch on (IG) 11 to 14 V
      Engine switch off Below 1 V

    3. Reconnect the A50 and A52 ECU connectors.

    4. Measure the voltage according to the value(s) in the table below.

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      A51-12 (RDEF) - A50-2 (E) W - W-B DEFOG relay

      Engine switch on (IG)

      Rear defogger switch on

      		 Below 1 V

      Engine switch on (IG)

      Rear defogger switch off

      		 11 to 14 V

  2. CHECK AIR CONDITIONING AMPLIFIER Click here

  3. CHECK MULTI-MEDIA MODULE RECEIVER ASSEMBLY Click here