VEHICLE PROXIMITY NOTIFICATION SYSTEM TERMINALS OF ECU


  1. CHECK HYBRID VEHICLE CONTROL ECU

    B006HDFN08

    1. Disconnect the I2 and I3 hybrid vehicle control ECU connectors.

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

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      I2-35 (IG2) - Body ground BE - Body ground IG power supply Power switch off Below 1 V
      Power switch on (IG) 11 to 14 V
      I3-27 (BATT) - Body ground GR - Body ground Auxiliary battery power supply Power switch off 11 to 14 V
      I2-10 (E03) - Body ground W-B - Body ground Ground Always Below 1 Ω
      I2-11 (E02) - Body ground W-B - Body ground Ground Always Below 1 Ω
      I2-12 (E01) - Body ground W-B - Body ground Ground Always Below 1 Ω

    3. Connect the I2 and I3 hybrid vehicle control ECU connectors.

    4. Measure the voltage and check for pulses according to the value(s) in the table below.

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      A41-19 (SPK+) - A41-9 (SPK-) B - V Vehicle approaching speaker output Vehicle approaching speaker operating

      A waveform synchronized with the sound is output

      (See Waveform 1)
      I3-9 (KIND) - Body ground L - Body ground Vehicle approaching speaker switch indicator signal output Power switch on (IG), pattern select switch assembly (vehicle approaching speaker switch) ON Below 1.8 V
      Power switch on (IG), pattern select switch assembly (vehicle approaching speaker switch) off 11 to 14 V
      I3-22 (SW) - Body ground G - Body ground Vehicle approaching speaker switch signal input Power switch on (IG), pattern select switch assembly (vehicle approaching speaker switch) off Below 1 V
      Power switch on (IG), pattern select switch assembly (vehicle approaching speaker switch) ON 11 to 14 V

      1. A003LK1

        Waveform 1

        Item Condition
        Tester Connection A41-19 (SPK+) - A41-9 (SPK-)
        Tool setting 1 V/DIV., 200 ms./DIV.
        Condition Vehicle approaching speaker operating