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Home >> Volvo >> 2010 >> V70 R-Design, 3.2 96 >> Repair and Diagnosis >> External Pages >> Different car >> Section 16 (Control Module - Signal Specifications) >> Signal Specification, Upper Electronic Module (UEM) (2003-2014) >> Signal Description, Upper Electronic Module (UEM) >> Rain Sensor
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Rain Sensor

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Fig 1: 10 CD Changer Connector Terminals
GLL104029Courtesy of VOLVO CARS CORPORATION

Connector A, terminals #A1-#A5

U = DC in volts (V).

Ubat = battery voltage in volts (V).

Ulow = voltage near 0 V.

Terminal, control module  Signal type  Ignition off  Ignition on  Miscellaneous 
#A1 Serial communication - - Data signal
#A2 Ground Ulow Ulow -
#A3 Power supply Ubat /0 V Ubat /0 V -
#A4 Windscreen wiper position signal - Ubat /0V When the windscreen wipers are in the parked position, U must be Ubat . When the windscreen wipers are operating U must be 0 V (grounded).
#A5 Not used - - -