Interfaces

Interfaces

The integrated automatic heating and air conditioning system has various interfaces available for the purpose of receiving and sending information on temperature control, compressor operation, rear window heater and the relevant fan stage.

Body bus

The following signals are transmitted from and to the instrument cluster via the Body bus:

• Speed signal
  
• Engine speed
  
• Coolant temperature
  
• Outside temperature
  
• Terminal 15
  
• Terminal 61
  
• Terminal 58g (locator lighting)
  
• Terminal 50 (starter)
  
• Compressor load moment
  
• Diagnosis
  

CAN-bus

The following signals are transmitted from and to the engine electronics via the CAN bus:

• Engine speed via CAN
  
• Request for air-conditioning compressor