LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Volvo >> 2009 >> V70 >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Miscellaneous Electrical - Design And Function >> Subwoofer Module (Sub) >> System Overview >> Signals
April 5, 2026: LEMON Manuals is launched! Read the announcement.

System Overview: Signals

The table below summarizes the input signals to and output signals from the Subwoofer module (SUB). The signal types are divided into directly connected signals and MOST communication. The graphic below displays the same information with the Volvo component designations.

Input signals Output signals
Directly connected:  Directly connected: 
- (Power supply unless otherwise stated)
  • 2 x 6 inch Subwoofers
Via MOST communication:  Via MOST communication: 
  • Infotainment control module (ICM) (3/281), main control module
  • Audio module (AUD) (16/105)
  • Infotainment control module (ICM) (3/281), main control module
Fig 1: Identifying Input Signals And Output Signals From Subwoofer Module (SUB)
GLL160696Courtesy of VOLVO CARS CORPORATION