HYBRID BATTERY SYSTEM TERMINALS OF ECU

A004WEDE03
Text in Illustration
*1 Battery Smart Unit - -
ECU Terminal Chart

Terminal No.

(Symbols)

 Wiring Color Terminal Description Condition Standard (V)
z10-4 (TB2) - z10-10 (GB2) L - L Battery temperature sensor 2 HV battery temperature: -40 to 90°C (-40 to 194°F) 4.8 (-40°C (-40°F)) to 1.0 (90°C (194°F))
z10-5 (TB1) - z10-11 (GB1) B - B Battery temperature sensor 1 HV battery temperature: -40 to 90°C (-40 to 194°F) 4.8 (-40°C (-40°F)) to 1.0 (90°C (194°F))
z10-6 (TBO) - z10-12 (GBO) W - W Battery temperature sensor 0 HV battery temperature: -40 to 90°C (-40 to 194°F) 4.8 (-40°C (-40°F)) to 1.0 (90°C (194°F))
i1-1 (IB) - i1-6 (GIB) P - B Current sensor Power switch on (READY) 0.5 to 4.5
i1-5 (VIB) - i1-6 (GIB) G - B Power source for battery current sensor Power switch on (IG) 4.5 to 5.5
i1-4 (IGCT) - i1-8 (GND) L - W-B Control signal Power switch on (READY) 11 to 14
i1-2 (BTH+) - i1-8 (GND) R - W-B Serial communication Power switch on (IG)

Pulse generation

(waveform 1)
i1-3 (BTH-) - i1-8 (GND) G - W-B Serial communication Power switch on (IG)

Pulse generation

(waveform 2)
i1-7 (VM) - i1-8 (GND) V - W-B Battery cooling blower No. 0 monitor signal Cooling blower activated 0 to 5
i1-8 (GND) - Body ground W-B Ground Always (continuity check) Below 1 Ω

  1. Oscilloscope waveforms

    Tech Tips

    Oscilloscope waveform samples are provided here for informational purposes. Noise and fluttering waveforms have been omitted.


    1. A004ZHKE03

      Waveform 1

      Item Content
      Terminal i1-2 (BTH+) - i1-8 (GND)
      Equipment Setting 2 V/DIV., 500 μs/DIV.
      Condition Power switch on (IG)

      Tech Tips

      The waveform will vary depending on the content of the digital communication (digital signal).

    2. A004X1BE03

      Waveform 2

      Item Content
      Terminal i1-3 (BTH-) - i1-8 (GND)
      Equipment Setting 2 V/DIV., 500 μs/DIV.
      Condition Power switch on (IG)

      Tech Tips

      The waveform will vary depending on the content of the digital communication (digital signal).