Checking The Function Of The Climate Control Module (CCM)

• Ignition on.

  Check the power supply to the climate control module (CCM) by switching on the climate control system.

  The blower fan must blow and it must be possible to regulate the fan speed.

Does the blower fan blow? 

• YES 

  Refer to CHECKING COMMUNICATION WITH THE CLIMATE CONTROL MODULE (CCM) 

• NO 

  Refer to CHECKING THE POWER SUPPLY AND GROUND FOR THE CLIMATE CONTROL MODULE (CCM)