BMW 3: Connections
The connections at the Electrical Machine Electronics can be divided into four categories:
- Low-voltage connections
- High-voltage connections
- Connection for potential compensation line
- Connections for coolant lines.
Connections of the Electrical Machine Electronics with lines
- Connection for potential compensation line
- Low-voltage connector
- High-voltage cable (DC) to the high-voltage battery unit
- High-voltage connection to convenience charging electronics
- Output, DC/DC converter -12 V
- High-voltage cable (AC) to the electrical machine
- Coolant feed line
- Coolant return line
- Output, DC/DC converter +12 V
- Ventilation
- Low-voltage connections
- High-voltage connections
- High-voltage cables
- Removing the flat high-voltage connector
- Removing the round high-voltage connector
- Connection for potential compensation lines
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Low-voltage connections
In the low-voltage connector at the Electrical Machine Electronics the
following lines and signals are
combined:
Terminal 30 from the hybrid power distribution box
Terminal 30 from the f
High-voltage connections
At the Electrical Machine Electronics, there is a total of three high-voltage
connections to connect the
lines for other high-voltage components. The connections for the electric A/C
compressor and
High-voltage cables
The high-voltage cables connect the high-voltage components and are
identified by orange cable
sleeves. The manufacturers of hybrid cars have agreed on a uniform
identification of the high-voltage
c
SEE MORE:
Snow chains
Safety information
Warning
With the mounting of snow chains on unsuitable
tires, the snow chains can come into contact
with vehicle parts. There may be a risk of
accident or risk of damage to property. Only
mount snow chains on tires that are designated
by their manufacturer as suitable for the use
System limits
Certain noises can be detected and may lead
to problems. Keep the doors, windows, and
glass sunroof closed.
Noises from the front passenger or the rear
seat bench can impair the system. Avoid
making other noise in the vehicle while
speaking.
Major language dialects can cause problems
with
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