HYBRID BATTERY SYSTEM TERMINALS OF ECU
| *1 | Battery Smart Unit |
| Terminal No. (Symbols) |
Wiring Color | Terminal Description | Condition | Standard (V) |
|---|---|---|---|---|
| z29-2(TB5) - z29-12(GB5) | GR - BR | Battery temperature sensor 5 | HV battery temperature: -40 to 90°C (-40 to 194°F) | 4.8(-40°C) to 1.0(90°C) |
| z29-3(TB4) - z29-13(GB4) | P - L | Battery temperature sensor 4 | HV battery temperature: -40 to 90°C (-40 to 194°F) | 4.8(-40°C) to 1.0(90°C) |
| z29-4(TB3) - z29-14(GB3) | V - GR | Battery temperature sensor 3 | HV battery temperature: -40 to 90°C (-40 to 194°F) | 4.8(-40°C) to 1.0(90°C) |
| z29-5(TB2) - z29-15(GB2) | R - P | Battery temperature sensor 2 | HV battery temperature: -40 to 90°C (-40 to 194°F) | 4.8(-40°C) to 1.0(90°C) |
| z29-6(TB1) - z29-16(GB1) | G - V | Battery temperature sensor 1 | HV battery temperature: -40 to 90°C (-40 to 194°F) | 4.8(-40°C) to 1.0(90°C) |
| z29-7(TB0) - z29-17(GB0) | B - R | Battery temperature sensor 0 | HV battery temperature: -40 to 90°C (-40 to 194°F) | 4.8(-40°C) to 1.0(90°C) |
| z29-9(IB) - z29-20(GIB) | W - G | Current sensor | Power switch on (READY) | 0.5 to 4.5 |
| z29-10(VIB) - z29-20(GIB) | Y - G | Power source for battery current sensor | Power switch on (IG) | 4.5 to 5.5 |
| z30-1(IGCT) - z30-5(GND) | BR - W-B | Control signal | Power switch on (READY) | 11 to 14 |
| z30-2(BTH+) - z30-5(GND) | L - W-B | Serial communication | Power switch on (IG) | Pulse generation (waveform 1) |
| z30-3(BTH-) - z30-5(GND) | Y - W-B | Serial communication | Power switch on (IG) | Pulse generation (waveform 2) |
| z30-8(VM0) - z30-5(GND) | P - W-B | Battery cooling blower No. 0 monitor signal | Cooling blower activated | 0 to 5 |
| Z30-7(VM1) - Z30-5(GND) | V - W-B | Battery cooling blower No. 1monitor signal | Cooling blower activated | 0 to 5 |
| z29-1(VM2) - z30-5(GND) | LG - W-B | Battery cooling blower No. 2monitor signal | Cooling blower activated | 0 to 5 |
| z30-5(GND) - Body ground | W-B | 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 z30-2(BTH+) - z30-5(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 z30-3(BTH-) - z30-5(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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