HYBRID BATTERY SYSTEM TERMINALS OF ECU
| *1 | Battery Smart Unit | - | - |
| Terminal No. (Symbol) |
Wiring Color | Terminal Description | Condition | Standard (V) |
|---|---|---|---|---|
| z16-1 (TC0) - z16-11 (GC0) | G - G | Inlet air temperature sensor | Inlet air temperature: -40 to 90 °C (-40 to 194 °F) | 4.8 (-40 °C [-40 °F]) to 1.0 (90 °C [194 °F]) |
| z16-3 (TB4) - z16-13 (GB4) | R - R | Battery temperature sensor 4 | HV battery temperature: -40 to 90 °C (-40 to 194 °F) | 4.8 (-40 °C [-40 °F]) to 1.0 (90 °C [194 °F]) |
| z16-4 (TB3) - z16-14 (GB3) | W - W | Battery temperature sensor 3 | HV battery temperature: -40 to 90 °C (-40 to 194 °F) | 4.8 (-40 °C [-40 °F]) to 1.0 (90 °C [194 °F]) |
| z16-5 (TB2) - z16-15 (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]) |
| z16-6 (TB1) - z16-16 (GB1) | SB - SB | 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]) |
| z16-7 (TB0) - z16-17 (GB0) | GR - GR | 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]) |
| z16-9 (IB) - z16-20 (GIB) | Y - B | Battery current sensor | Power switch on (READY) | 0.5 to 4.5 |
| z16-10 (VIB) - z16-20 (GIB) | BR - B | Power source for battery current sensor | Power switch on (IG) | 4.5 to 5.5 |
| m4-1 (IGCT) - m4-5 (GND) | L-R - G | Control signal | Power switch on (READY) | 11 to 14 |
| m4-2 (BTH+) - m4-5 (GND) | P - G | Serial communication | Power switch on (IG) | Pulse generation (See waveform 1) |
| m4-3 (BTH-) - m4-5 (GND) | L - G | Serial communication | Power switch on (IG) | Pulse generation (See waveform 2) |
| m4-7 (FP1) - m4-5 (GND) | BR - G | Battery cooling blower (for lower side) monitor signal | Cooling blower activated | Pulse generation |
| m4-8 (FP0) - m4-5 (GND) | LG - G | Battery cooling blower (for upper side) monitor signal | Cooling blower activated | Pulse generation |
| m4-5 (GND) - Body ground | G - Body ground | Ground | Always (continuity check) | Below 1 Ω |
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Oscilloscope waveforms
Tech Tips
Oscilloscope waveform samples are provided here for informational purposes. Noise and fluttering waveforms have been omitted.
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Waveform 1
Item Content Terminal m4-2 (BTH+) - m4-5 (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).
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Waveform 2
Item Content Terminal m4-3 (BTH-) - m4-5 (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).
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