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Home >> Volvo >> 2009 >> C30 R-Design, Automatic >> Repair and Diagnosis (Single Page) >> Body & Frame >> Seats >> Power Seat Module - Specifications, Electrical/Electronic >> Signal Description, Power Seat Module Left (PSL) >> Signal Specification >> Power Seat Module, Left (PSL)
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Power Seat Module, Left (PSL)

Connector A 

Fig 1: Identifying Connector C1
GLL141036Courtesy of VOLVO CARS CORPORATION
SIGNAL TABLE, CONNECTOR A

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

Connector B 

Fig 2: Connector B Signal Table
GLL104058Courtesy of VOLVO CARS CORPORATION
SIGNAL TABLE, CONNECTOR B

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