Extremely Dangerous Due to High-Voltage
The high-voltage system is under high-voltage. Death or serious
bodily injury by electric shock.
- Individuals with electronic/medical life- and health su
Caution
Non-approved tools or materials such as leak sealing
additives can cause damage or malfunctions in the
system.
Only use tools and materials approved by the
manufacturer.
The warran
WARNING
Risk of short circuit
The A/C compressor works with up to 288 volts at 800
to 8,600 RPM.
Do not touch the A/C compressor when the ignition is
turned on or when the drive machines ar
Windshield Defogger
The Windshield Defogger Control Module -J505- is activated
by the Comfort System Central Control Module -J393- at the
request of the Front A/C Display Control Head -E87-. This
request is sent via the data bus to the Comfort System Central
Control Module -J393-. The Comfort
Note
On vehicles with a high-voltage system and heat pump (for
example on the Audi Q7 e-tron) installed in the refrigerant
circuit and electrically activated vehicles which regulate the
flow of the refrigerant in the refrigerant circuit depending on
the current operating condition. The