Checking with Expansion Valve, Receiver/Dryer and A/C Compressor Regulator
Valve -N280-, Externally Regulated A/C Compressor
General InformationA/C Pressure/Temperature Sensor -G395
Note
For switching pressures, removing and installing switches
and switch arrangement and version, see vehicle-specific
refrigerant circuit.
Refer to
→ Rep. Gr.87.
...
Coolant Fan Control Module -J293
Note
Available in different construction styles, some installed
on coolant fan -arrows-.
This control module switches on and off the A/C clutch and
therefore the A/C compressor. It switche ...
Indicator lamp
First read and observe the introductory information
and safety warnings 
Lit up
Possible cause
Cruise control system (CCS) is controlling the speed.
Several warning and indicator lamps will light up briefly as a functional check
whe ...