SOLAR VENTILATION SYSTEM TERMINALS OF ECU


  1. SOLAR VENTILATION ECU

    A01JC0LE01

    Tech Tips

    Check from the rear of the connector while it is connected to the solar ventilation ECU.

    Terminal No.

    (Symbol)

    		 Wiring Color Terminal Description Condition Specified Condition
    L22-1 (GND) - Body ground W-B - Body ground Ground Always Below 1 V
    L22-5 (BLW) - L22-1 (GND) V - W-B Blower motor control signal

    Power switch off

    Solar ventilation switch: on (blower motor operating)

    Pulse generation

    (See waveform 1)
    L22-11 (SBI) - L22-1 (GND) G - W-B Solar panel voltage

    Always

    (System operation requirements met Click here

    		1 to 28 V
    L22-12 (BLWB) - L22-1 (GND) R - W-B Blower motor power source

    Power switch off

    Solar ventilation switch: on

    (System operation requirements met Click here

    		1 to 28 V
    L22-13 (PVSW) - L22-1 (GND) P - W-B Solar ventilation switch signal Solar ventilation switch: off 4.5 to 5.5 V
    Solar ventilation switch: on Below 1 V
    L22-14 (PVSO) - L22-1 (GND) P - W-B Solar ventilation switch status signal Solar ventilation switch: off 4.5 to 5.5 V
    Solar ventilation switch: on Below 1 V
    L22-17 (SIND) - L22-1 (GND) L - W-B Solar ventilation ECU status signal

    Power switch on (IG)

    SBI terminal: 7 V or higher

    Solar ventilation system: off

    Pulse generation

    (See waveform 2)
    L22-25 (IG) - L22-1 (GND) G - W-B Power switch status signal Power switch off Below 1 V
    Power switch on (IG) 11 to 14 V

    1. A01JAQBE01

      Waveform 1:

      Item Content
      Terminal No. L22-5 (BLW) - L22-1 (GND)
      Tool Setting 1 V/DIV., 500 μs/DIV.
      Vehicle Condition

      Power switch off

      Solar ventilation switch: on (blower motor operating)

      Tech Tips

      The waveform varies with the blower speed.

    2. A01JA8GE02

      Waveform 2:

      Item Content
      Terminal No. L22-17 (SIND) - L22-1 (GND)
      Tool Setting 1 V/DIV., 100 ms/DIV.
      Vehicle Condition

      Power switch on (IG)

      SBI terminal: 7 V or higher

      Solar ventilation system: off

      Tech Tips

      The waveform varies with the communication content.

  2. A/C AMPLIFIER Click here