HYBRID BATTERY SYSTEM TERMINALS OF ECU

A01MFWAC10
*1 Battery Voltage Sensor - -

Terminal No.

(Symbol)

 Wiring Color Terminal Description Condition Specified Condition
z16-1 (TC0) - z16-7 (GC0) G - G EV battery inlet air temperature sensor Power switch on (IG), inlet air temperature: -40 to 90°C (-40 to 194°F) 4.8 (-40°C (-40°F)) to 1.0 V (90°C (194°F))
z16-2 (TB2) - z16-8 (GB2) B - B EV battery inlet air temperature sensor Power switch on (IG), EV battery temperature: -40 to 90°C (-40 to 194°F) 4.8 (-40°C (-40°F)) to 1.0 V (90°C (194°F))
z16-3 (TB1) - z16-9 (GB1) W - W EV battery temperature sensor 1 Power switch on (IG), EV battery temperature: -40 to 90°C (-40 to 194°F) 4.8 (-40°C (-40°F)) to 1.0 V (90°C (194°F))
z16-4 (TB0) - z16-10 (GB0) R - R EV battery temperature sensor 0 Power switch on (IG), EV battery temperature: -40 to 90°C (-40 to 194°F) 4.8 (-40°C (-40°F)) to 1.0 V (90°C (194°F))
z16-5 (IB) - z16-12 (GIB) Y - B EV battery current sensor Power switch on (READY) 0.5 to 4.5 V
z16-6 (VIB) - z16-12 (GIB) BR - B Power source for EV battery current sensor Power switch on (IG) 4.5 to 5.5 V
P29-3 (IGCT) - P29-6 (GND) G - W-B Control signal Power switch on (READY) 11 to 14 V
P29-1 (BTH+) - P29-6 (GND) B - W-B Serial communication Power switch on (IG)

Pulse generation

(waveform 1)
P29-4 (BTH-) - P29-6 (GND) W - W-B Serial communication Power switch on (IG)

Pulse generation

(waveform 2)
P29-5 (FP0) - P29-6 (GND) P - W-B No. 1 Battery cooling blower monitor signal Cooling blower stopped 4.5 to 5.5 V
Cooling blower activated

Pulse generation

(waveform 3)
P29-6 (GND) - Body ground W-B - Body ground 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. A01MGJ9E07

      Waveform 1

      Item Content
      Terminal P29-1 (BTH+) - P29-6 (GND)
      Equipment Setting 2 V/DIV., 500 μs/DIV.
      Switch Condition Power switch on (IG)

      Tech Tips

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

    2. A01MK0BE06

      Waveform 2

      Item Content
      Terminal P29-4 (BTH-) - P29-6 (GND)
      Equipment Setting 2 V/DIV., 500 μs/DIV.
      Switch Condition Power switch on (IG)

      Tech Tips

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

    3. A01MK2KE06

      Waveform 3

      Item Content
      Terminal P29-5 (FP0) ←→ P29-6 (GND)
      Equipment Setting 2 V/DIV., 500 ms/DIV
      Condition

      Battery cooling blower operating

      (Active Test of Activate the Battery Cooling Fan performed)

      Tech Tips

      The waveform will vary in proportion to the battery cooling blower assembly rotation speed.