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Home >> Volvo >> 2007 >> C70 Automatic >> Repair and Diagnosis (Single Page) >> Body & Frame >> Seats >> Power Seat Module - Specifications, Electrical/Electronic >> Signal Description, Power Seat Module Right (PSR) >> Signal Specification >> Power Seat Module Right (PSR)
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Power Seat Module Right (PSR)

Connector A 

Fig 1: Power Seat Module Right (PSR) Signal Table
GLL141035Courtesy of VOLVO CARS CORPORATION
SIGNAL TABLE, CONNECTOR A

Breakout box connection  Control module terminal  Signal type  Ignition on 
Inactive/active 		 Ignition off 
Inactive/active 		 Miscellaneous 
- #A1 Ground Ulow Ulow -
- #A2 Motor -, common U=Ulow /U=Ubat U=Ulow /U=Ubat M1-, M2-, M3-, M4-
- #A3 Motor 4+ U=Ulow /U=Ubat U=Ulow /U=Ubat Regulates front edge angle of seat cushion
- #A4 Motor 3+ U=Ulow /U=Ubat U=Ulow /U=Ubat Regulates seat cushion height
- #A5 Motor 2+ U=Ulow /U=Ubat U=Ulow /U=Ubat Regulates backrest angle
- #A6 Motor 1+ U=Ulow /U=Ubat U=Ulow /U=Ubat Regulates front/rear adjustment of seat
- #A7 Power supply U = Ubat U = Ubat -

Connector B 

Fig 2: Connector B Signal Table
GLL104057Courtesy of VOLVO CARS CORPORATION
SIGNAL TABLE, CONNECTOR B

Breakout box connection  Control module terminal  Signal type  Ignition on 
Inactive/active 		 Ignition off 
Inactive/active 		 Miscellaneous 
#43 #B1 Switch, forward U=Ulow /U=Ubat U=Ulow /U=Ubat Regulates front/rear adjustment of seat cushion and backrest angle for easy entry
#44 #B2 Ground Ulow Ulow -
#45 #B3 Communication cable, control module (CAN-L) 1.5-2.5 V 1.5-2.5 V -
#46 #B4 Communication cable, control module (CAN-H) 2.5-3.5 V 2.5-3.5 V -
#47 #B5 Switch, rearward U=Ulow /U=Ubat U=Ulow /U=Ubat Regulates front/rear adjustment of seat cushion and backrest angle for easy entry
#48 #B6 Signal supply, extended X U = Ubat U = Ubat -
#49 #B7 Hall sensor 4 U=Ubat /a pulsed signal with duty=50%
f<=100 Hz		 U=Ubat /a pulsed signal with duty=50%
f<=100 Hz		 One pulse/motor rotation
Pulse high value: Ubat
Pulse low value: 7.0-9.0 V (60-70% of Ubat )
#50 #B8 Hall sensor 3 U=Ubat /a pulsed signal with duty=50%
f<=100 Hz		 U=Ubat /a pulsed signal with duty=50%
f<=100 Hz		 One pulse/motor rotation
Pulse high value: Ubat
Pulse low value: 7.0-9.0 V (60-70% of Ubat )
#51 #B9 Hall sensor 2 U=Ubat /a pulsed signal with duty=50%
f<=100 Hz		 U=Ubat /a pulsed signal with duty=50%
f<=100 Hz		 One pulse/motor rotation
Pulse high value: Ubat
Pulse low value: 7.0-9.0 V (60-70% of Ubat )
#52 #B10 Hall sensor 1 U=Ubat /a pulsed signal with duty=50%
f<=100 Hz		 U=Ubat /a pulsed signal with duty=50%
f<=100 Hz		 One pulse/motor rotation
Pulse high value: Ubat
Pulse low value: 7.0-9.0 V (60-70% of Ubat )
#53 #B11 Hall sensor 5 U=5 V U=5 V Supply hall sensor backrest
#54 #B12 Ground/signal
Hall sensor 5		 U=0.9-3.7 V U=0.9-3.7 V Ground/Control signal hall sensor backrest
#55 #B13 - - - -
#56 #B14 Ground, Hall sensor 1-4 U=Ulow U=Ulow Common ground
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