WINDSHIELD DEICER SYSTEM TERMINALS OF ECU


  1. CHECK FRONT CONTROLLER

    A000WS5E07

    1. Disconnect the A50 and A52 front controller connectors.

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

      Terminal No. (Symbols) Wiring Color Terminal Description Condition Specified Condition
      A52-1 (BATB) - A50-2 (E) P - W-B Power source Always 11 to 14 V
      A52-5 (ALTB) - A50-2 (E) L - W-B Power source Always 11 to 14 V
      A50-1 (FMB3) - A50-2 (E) LG - W-B Power source 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 Power switch ON (IG) 11 to 14 V
      Power switch OFF Below 1 V

    3. Reconnect the front controller connectors.

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

      Terminal No. (Symbols) Wiring Color Terminal Description Condition Specified Condition
      A51-13 (FDEF) - A50-2 (E) L - W-B Deicer relay

      Power switch ON (IG)

      Windshield deicer switch ON

      		 Below 1 V

      Power switch ON (IG)

      Windshield deicer switch OFF

      		 11 to 14 V

  2. CHECK AIR CONDITIONING AMPLIFIER Click here

  3. CHECK MULTI-MEDIA MODULE RECEIVER ASSEMBLY Click here