WINDSHIELD DEICER SYSTEM TERMINALS OF ECU


  1. CHECK AIR CONDITIONING AMPLIFIER ASSEMBLY

    A001XK5E02

    1. Disconnect the F72 air conditioning amplifier assembly connector.

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

      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      F72-5 (IG+) - Body ground B - Body ground Power source (IG) Ignition switch ON 11 to 14 V
      Ignition switch off Below 1 V
      F72-1 (B) - Body ground V - Body ground Battery power supply Always 11 to 14 V
      F72-29 (GND) - Body ground W-B - Body ground Ground Always Below 1 Ω

    3. Reconnect the F72 air conditioning amplifier assembly connector.

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

      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      F72-24 (FDEF) - Body ground W - Body ground Wiper deicer signal Ignition switch ON, windshield deicer switch on Below 1 V
      Ignition switch ON, windshield deicer switch off 11 to 14 V
      F72-3 (LIN1) - Body ground L - Body ground LIN communication line Ignition switch ON Pulse generation

  2. CHECK AIR CONDITIONING CONTROL ASSEMBLY

    A001SOIE03

    1. Check for pulse according to the value(s) in the table below.

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      F61-2 (LIN1) - F61-16 (GND) L - W-B LIN communication line Ignition switch ON Pulse generation