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Home >> Volvo >> 2011 >> S40 T-5 R-Design >> Repair and Diagnosis >> Engine Performance >> System >> Miscellaneous - Design And Function (544 Body) >> Combustion PREHEATER Module (CPM) >> System Overview >> Signals
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System Overview: Signals

The table below summarizes the input signals to and output signals from the combustion preheater module (CPM). The illustration below displays the same information with the Volvo component designations.

Input signals Output signals
Directly connected:  Directly connected: 
--
  • Water pump (only parking heater) (6/73)
  • Fuel pump (FP) (6/35).
Via Controller Area Network (CAN) communication:  Via Controller Area Network (CAN) communication: 
  • Central electronic module (CEM) (4/56)
  • Engine control module (ECM) (4/46)
  • Steering wheel module (SWM) (3/254)
  • Climate Control Module (CCM) (3/112)
  • Accessory electronic module (AEM) (4/78).
  • Phone module (PHM) (16/60) (option, from and incl. structure week 201020)
  • Driver information module (DIM) (5/1)
  • Climate Control Module (CCM) (3/112)
  • Central electronic module (CEM) (4/56)
  • Accessory electronic module (AEM) (4/78).
  • Phone module (PHM) (16/60) (option, from and incl. structure week 201020)
Fig 1: Identifying Combustion Preheater Module (CPM) Components
GLL174273Courtesy of VOLVO CARS OF NORTH AMERICA.