HYBRID BATTERY SYSTEM TERMINALS OF ECU

A011XZBE01
Text in Illustration
*1 Battery Smart Unit - -
ECU TERMINAL CHART

Terminal No.

(Symbols)

 Wiring Color Terminal Description Condition Standard (V)
z8-2 (TB2) - z8-8 (GB2) B - B Battery temperature sensor 2 HV battery temperature: -40 to 90 °C (-40 to 194 °F) 4.8 (-40 °C (-40 °C)) to 1.0 (90 °C (194 °F))
z8-3 (TB1) - z8-9 (GB1) W - W Battery temperature sensor 1 HV battery temperature: -40 to 90 °C (-40 to 194 °F) 4.8 (-40 °C (-40 °C)) to 1.0 (90 °C (194 °F))
z8-4 (TBO) - z8-10 (GBO) R - R Battery temperature sensor 0 HV battery temperature: -40 to 90 °C (-40 to 194 °F) 4.8 (-40 °C (-40 °C)) to 1.0 (90 °C (194 °F))
z8-5 (IB) - z8-12 (GIB) Y - B Current sensor Power switch on (READY) 0.5 to 4.5
z8-6 (VIB) - z8-12 (GIB) BR - B Power source for battery current sensor Power switch on (IG) 4.5 to 5.5
N18-3 (IGCT) - N18-6 (GND) R - W-B Control signal Power switch on (READY) 11 to 14
N18-1 (BTH+) - N18-6 (GND) B - W-B Serial communication Power switch on (IG)

Pulse generation

(waveform 1)
N18-4 (BTH-) - N18-6 (GND) W - W-B Serial communication Power switch on (IG)

Pulse generation

(waveform 2)
N18-5 (FP0) - N18-6 (GND) V - W-B Battery cooling blower No. 0 monitor signal Cooling blower activated Pulse generation
N18-6 (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. Waveform 1

      A011YQYE01
      Item Content
      Terminal N18-1 (BTH+) - N18-6 (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. Waveform 2

      A011VUGE01
      Item Content
      Terminal N18-4 (BTH-) - N18-6 (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).