HYBRID BATTERY SYSTEM TERMINALS OF ECU

A000R60E02
Text in Illustration
*1 Battery Voltage Sensor - -

Terminal No.

(Symbol)

 Wiring Color Terminal Description Condition Specified Condition
z21-1 (TC0) - z21-7 (GC0) G - G Intake air temperature sensor HV battery temperature: -40 to 90 °C (-40 to 194 °F) 4.8 (-40°C [-40°F]) to 1.0 (90°C [194°F]) V
z21-2 (TB2) - z21-8 (GB2) R - R 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]) V
z21-3 (TB1) - z21-9 (GB1) W - W 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]) V
z21-4 (TB0) - z21-10 (GB0) L - L 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]) V
z21-5 (IB) - z21-12 (GIB) Y - B Current sensor Power switch on (READY) 0.5 to 4.5 V
z21-6 (VIB) - z21-12 (GIB) BR - B Power source for battery current sensor Power switch on (IG) 4.5 to 5.5 V
m5-3 (IGCT) - m5-6 (GND) GR - W-B Control signal Power switch on (READY) 11 to 14 V
m5-1 (BTH+) - m5-6 (GND) R - W-B Serial communication Power switch on (IG)

Pulse generation

(waveform 1)
m5-4 (BTH-) - m5-6 (GND) G - W-B Serial communication Power switch on (IG)

Pulse generation

(waveform 2)
m5-5 (FP0) - m5-6 (GND) B - W-B Battery cooling blower No. 0 monitor signal Cooling blower stopped 0 V
Cooling blower activated Pulse generation
m5-6 (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. A000SRUE01

      Waveform 1

      Item Content
      Terminal m5-1 (BTH+) - m5-6 (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. A000T78E01

      Waveform 2

      Item Content
      Terminal m5-4 (BTH-) - m5-6 (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).