KIA Niro: Cell Monitoring Unit (CMU) Terminal And Input/Output Signal
System Configuration
Connector Type
Terminal Function
Cell Monitoring Unit (CMU) #1 (Sub Voltage Battery Pack Assembly)
Connector (B01-A) (16Pin) : High Voltage Battery control
Connector (B01-C) (12Pin) : High Voltage Battery Cell Voltage Check
Cell Monitoring Unit (CMU) #2 (Sub High Voltage Battery Pack Assembly)
Connector (B02-A) (16Pin) : High Voltage Battery control
Connector (B02-B) (8Pin) : High Voltage Temperature
Connector (B02-C) (12Pin) : High Voltage Battery Cell Voltage Check
Cell Monitoring Unit (CMU) #3 (Sub High Voltage Pack Assembly)
Connector (B03-A) (16pin) : High Voltage control
Connector (B03-B) (8Pin) : High Voltage Battery Temperature Check
Connector (B03-C) (12Pin) : High Voltage Battery Cell Voltage Check
Cell Monitoring Unit (CMU) #4 (Sub High Voltage Battery Pack Assembly)
Connector (B04-A) (16Pin) : High Voltage Battery control
Connector (B04-C) (12Pin) : High Voltage Battery Cell Voltage Check
Cell Monitoring Unit (CMU) #5 (Sub High Voltage Battery Pack Assembly)
Connector (B05-A) (16Pin) : High Voltage Battery control
Connector (B05-C) (12Pin) : High Voltage Battery Cell Voltage Check
Cell Monitoring Unit (CMU) #6 (Sub High Voltage Battery Pack Assembly)
Connector (B06-A) (16Pin) : High Voltage Battery control
Connector (B06-B) (8Pin) : High Voltage Battery Temperature Check
Connector (B06-C) (12Pin) : High Voltage Battery Cell Voltage Check
Cell Monitoring Unit (CMU) #7 (Main High Voltage Battery Pack Assembly)
Connector (B07-A) (16Pin) : High Voltage Battery control
Connector (B07-B) (8Pin) : High Voltage Battery Temperature Check
Connector (B07-C) (12Pin) : High Voltage Battery Cell Voltage Check
Cell Monitoring Unit (CMU) #8 (Main High Voltage Battery Pack Assembly)
Connector (B08-A) (16Pin) : High Voltage Battery control
Connector (B08-C) (12Pin) : High Voltage Battery Cell Voltage Check
Cell Monitoring Unit (CMU) #9 (Main High Voltage Battery Pack Assembly)
Connector (B09-A) (16Pin) : High Voltage Battery control
Connector (B09-C) (12Pin) : High Voltage Battery Cell Voltage Check
Cell Monitoring Unit (CMU) #10 (Main High Voltage Battery Pack Assembly)
Connector (B10-A) (16Pin) : High Voltage Battery control
Connector (B10-B) (8Pin) : High Voltage Battery Temperature Check
Connector (B10-C) (12Pin) : High Voltage Battery Cell Voltage Check
Cell Monitoring Unit (CMU) #11 (Main High Voltage Battery Pack Assembly)
Connector (B11-A) (16Pin) : High Voltage Battery control
Connector (B11-B) (8Pin) : High Voltage Battery Temperature Check
Connector (B11-C) (12Pin) : High Voltage Battery Cell Voltage Check
Cell Monitoring Unit (CMU) #12 (Main High Voltage Battery Pack Assembly)
Connector (B12-A) (16Pin) : High Voltage Battery control
Connector (B12-B) (8Pin) : High Voltage Battery Temperature Check
Connector (B12-C) (12Pin) : High Voltage Battery Cell Voltage Check
Battery cell number displayed on KDS
READ NEXT:
Sub High Voltage Battery
Removal
Warning
Be sure to read and follow the "General Safety Information and
Caution" before doing any work
related with the high voltage system. Failure to follow the safety
instructions may result in
serious electrical in
Main High Voltage Battery Temperature Sensor
Removal
Warning
Be sure to read and follow the "General Safety Information and
Caution" before doing any work
related with the high voltage system. Failure to follow the safety
instructions may result in
serious electrical in
SEE MORE:
Battery Pack Assembly Repair procedures
Warning
Be sure to read and follow the "General Safety Information and
Caution" before doing any work related with the high
voltage system. Failure to follow the safety instructions may result in
serious electrical injuries.
Be sure to
Refrigerant System Service Basics (R- 134a)
For the electric compressor using high-voltage, use POE oil with high
insulation property.
Use a separate equipment (refrigerant recovery / charger) exclusive for
hybrid vehicle maintenance to prevent infusion of PAG oil of non-hybrid
v
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