2004 Volvo V70 Base, 2.4 61, StandardFACTORY OEM SERVICE PROCEDURE

System overview: Signals

The following chart summarizes the input signals to and output signals from the driver door module (DDM) and the passenger door module (PDM). The signal types are divided into directly connected signals and Controller area network (CAN) communication. The following illustration displays the same information with the Volvo component designations.

Input signals Output signals
Directly connected:  Directly connected: 
(power supply unless otherwise stated)
  • Door lock (3/74, 3/75)
  • Sensors used to set the position of the door mirror (2 per mirror)
  • Outside temperature sensor (7/11).
  • Window lift mechanisms (Front doors) (6/58, 6/60)
  • Door locks (Front doors) (3/74, 3/75)
  • Door mirror motors (3 per mirror) (6/62, 6/63)
  • Heating, door mirror (9/33, 9/34)
  • Lights in the door mirrors (10/148, 10/149) (optional equipment)
  • Door open warning lamps (10/60, 10/61).
Via Controller Area Network (CAN) communication:  Via Controller Area Network (CAN) communication: 
  • Climate control module (CCM) (3/112)
  • Central electronic module (CEM) (4/56)
  • Driver door module (DDM) (3/126) (Applies only to the passenger door module (PDM))
  • Power seat module (PSM) (4/52)
  • Upper electronic module (UEM) (4/70).
  • Climate control module (CCM) (3/112)
  • Central electronic module (CEM) (4/56)
  • Passenger door module (PDM) (3/127) (Applies only to the driver door module (DDM))
  • Phone module (PHM) (16/60) (optional equipment)
  • Upper electronic module (UEM) (4/70) (Applies only to the driver door module (DDM)).
Fig 1: Identifying Driver Door Module, Passenger Door Module Input And Output Signals
GLL106063Courtesy of VOLVO CARS OF NORTH AMERICA.
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