LEMON Manuals
: Even more car manuals for everyone: 1960-2025
Home
>>
Volvo
>>
2007
>>
C70 Automatic
>>
Repair and Diagnosis (Single Page)
>>
Heating, Ventilation & A/C (HVAC)
>>
HVAC Control Systems
>>
Climate Control Module, Combustion PREHEATER Module And A/C System - Pressure Specifications And General Diagnostics Information
>>
Vehicle Communication Information, Combustion PREHEATER Module (CPM) (2006-2013)
>>
Description Of Activations
>>
Combustion Fan
April 5, 2026:
LEMON Manuals is launched!
Read the announcement.
Combustion Fan
Activating combustion fan.
There is a "buzzing sound" from the combustion fan when it is activated.