CLIMATE CONTROL SEAT SYSTEM TERMINALS OF ECU


  1. AIR CONDITIONING AMPLIFIER


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

      A01DQQFE07
      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      G24-6 (SG-5) - Body ground R - Body ground Ground Always Below 1 Ω
      G24-8 (S5-2) - Body ground L - Body ground Power supply Ignition switch ON 4.5 to 5.5 V
      G24-9 (ROUT) - Body ground LG - Body ground Climate control blower control signal Ignition switch ON, refreshing seat switch on (blower position) Pulse generation (See waveform 1)
      G24-10 (LOUT) - Body ground V - Body ground Climate control blower control signal Ignition switch ON, refreshing seat switch on (blower position) Pulse generation (See waveform 1)
      G24-15 (SW5) - Body ground W - Body ground Output climate control signal (front passenger side) Ignition switch ON, refreshing seat switch blower side volume 3 Pulse generation (See waveform 2)
      G24-16 (SW4) - Body ground GR - Body ground Output climate control signal (driver side) Ignition switch ON, refreshing seat switch blower side volume 3 Pulse generation (See waveform 2)
      G25-31 (S5-4) - Body ground V - Body ground Power supply Ignition switch ON 4.5 to 5.5 V
      G25-35 (SG-4) - Body ground G - Body ground Ground Always Below 1 Ω

      1. A01DP39E01

        Using an oscilloscope, check waveform 1.

        Measurement Condition
        Item Content
        Terminal No. (Symbol)

        G24-9 (ROUT) - Body ground

        G24-10 (LOUT) - Body ground
        Tool Setting 2 V/DIV., 500 μsec/DIV.
        Condition Ignition switch ON, refreshing seat switch on (blower position)
      2. A01DQ2BE01

        Using an oscilloscope, check waveform 2.

        Measurement Condition
        Item Content
        Terminal No. (Symbol)

        G24-15 (SW5) - Body ground

        G24-16 (SW4) - Body ground
        Tool Setting 2 V/DIV., 500 μsec/DIV.
        Condition Ignition switch ON, refreshing seat switch blower side volume 3

  2. AIR CONDITIONING CONTROL ASSEMBLY Click here