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The battery management unit (BMU) is placed under the rear sheet. The BMU uses the information
from the CMU or the sensor to know the main battery condition. The BMU sends the information
to the EV-ECU through the CAN communication.
1
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Auxiliary battery power source
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2
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EV-ECU control power source
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3
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BMU earth
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6
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CAN interface (high)
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7
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CAN interface (low)
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8
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K-LINE
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12
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Main battery cooling fan relay
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13
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Main battery cooling fan PWM signal
|
21
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Input signal for main battery cooling fan speed
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31
|
Applied voltage for main battery current sensor
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32
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Main battery current sensor (high)
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33
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Main battery current sensor (low)
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35
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Main battery earth leakage sensor
|
37
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Local CAN (for main battery) interface (high)
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38
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Local CAN (for main battery) interface (low)
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42
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Main battery current sensor earth
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43
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Main battery current sensor earth
(shielded)
|
46
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Main battery earth leakage sensor
pre-check signal
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48
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CMU ID automatic number input signal
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49
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CMU ID automatic number output signal
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|
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Input and output pin configuration of BMU connector
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