WINDSHIELD DEICER SYSTEM TERMINALS OF ECU


  1. CHECK AIR CONDITIONING AMPLIFIER ASSEMBLY

    A01GEZFN05

    1. Disconnect the F80 air conditioning amplifier assembly connector.

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

      Tech Tips

      Measure the values on the wire harness side with the connector disconnected.

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      F80-1 (IG+) - F80-14 (GND) V - BR Power source (IG) Ignition switch ON 11 to 14 V
      F80-1 (IG+) - F80-14 (GND) V - BR Power source (IG) Ignition switch off Below 1 V
      F80-21 (B) - F80-14 (GND) P - BR Battery power supply Always 11 to 14 V
      F80-14 (GND) - Body ground BR - Body ground Ground Always Below 1 Ω

    3. Reconnect the F80 air conditioning amplifier assembly connector.

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

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      F80-39 (FDEF) - F80-14 (GND) V - BR Wiper Deicer signal Ignition switch ON, Outer mirror heater switch assembly off 11 to 14 V
      F80-39 (FDEF) - F80-14 (GND) V - BR Wiper Deicer signal Ignition switch ON, Outer mirror heater switch assembly on Below 2.2 V
      F80-23 (FDFI) - F80-14 (GND) W - BR Outer mirror heater switch assembly indicator signal Ignition switch ON, Outer mirror heater switch assembly off 11 to 14 V
      F80-23 (FDFI) - F80-14 (GND) W - BR Outer mirror heater switch assembly indicator signal Ignition switch ON, Outer mirror heater switch assembly on Below 1 V
      F81-21 (SW1) - F80-14 (GND) BE - BR Outer mirror heater switch assembly signal Ignition switch ON, Outer mirror heater switch assembly off Below 1 V
      F81-21 (SW1) - F80-14 (GND) BE - BR Outer mirror heater switch assembly signal Ignition switch ON, Outer mirror heater switch assembly on 11 to 14 V