HYBRID BATTERY SYSTEM TERMINALS OF ECU
| *1 | Battery Smart Unit | - | - |
| Terminal No. (Symbols) |
Wiring Color | Terminal Description | Condition | Standard (V) |
|---|---|---|---|---|
| z5-4 (TB2) - z5-10 (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)) |
| z5-5 (TB1) - z5-11 (GB1) | B - B | 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)) |
| z5-6 (TB0) - z5-12 (GB0) | W - W | 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)) |
| d1-1 (IB) - d1-6 (GIB) | P - B | Current sensor | Power switch on (READY) | 0.5 to 4.5 |
| d1-5 (VIB) - d1-6 (GIB) | G - B | Power source for battery current sensor | Power switch on (IG) | 4.5 to 5.5 |
| d1-4 (IGCT) - d1-8 (GND) | L - W-B | Control signal | Power switch on (READY) | 11 to 14 |
| d1-2 (BTH+) - d1-8 (GND) | R - W-B | Serial communication | Power switch on (IG) | Pulse generation (waveform 1) |
| d1-3 (BTH-) - d1-8 (GND) | G - W-B | Serial communication | Power switch on (IG) | Pulse generation (waveform 2) |
| d1-7 (VM) - d1-8 (GND) | V - W-B | Battery cooling blower No. 0 monitor signal | Cooling blower activated | 0 to 5 |
| d1-8 (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 d1-2 (BTH+) - d1-8 (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 d1-3 (BTH-) - d1-8 (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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