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Hyundai Equus: Schematic Diagrams - IMS (Integrated Memory System) - Body Electrical System - Hyundai Equus VI 2009-2024 Service ManualHyundai Equus: Schematic Diagrams

System Block Diagram
Power Seat Memory Unit (For Driver)

Relax Power Seat Unit (For Passenger & Rear)

Circuit Diagram (1)
Power Seat Module - PSM (For Driver)

Circuit Diagram (2)
Relax Power Seat Module (For Passenger & Rear)

IMS input/output pin information
Relax Power Seat Module (Driver)

PIN
Signal
I/O
Description
Remarks
A1
O_CushionExtFrtMtr
O
Cushion Ext Front Motor Output
-
A2
O_FrontHeightUpMtr
O
Front Height Up Motor Output
-
A3
O_RearHeightUpMtr
O
Rear Height Up Motor Output
-
A4
O_ReclineFrtMtr
O
Recline Front Motor Output
-
A5
O_SlideFrtMtr
O
Slide Front Motor Output
-
A6
O_CushionExtRrMtr
O
Cushion Ext Rear Motor Output
-
A7
O_FrontHeightDnMtr
O
Front Height Down Motor Output
-
A8
O_HeadRestUpMtr
O
Head Rest Up Motor Output
-
A9
O_HeadRestDnMtr
O
Head Rest Down Motor Output
-
A10
O_RearHeightDnMtr
O
Rear Height Down Motor Output
-
A11
O_ReclineRrMtr
O
Recline Rear Motor Output
-
A12
O_SlideRrMtr
O
Slide Rear Motor Output
-
B1
POWER B+
I
Power Supply for Load1
Min 9V, Max 16V
B2
-
-
-
-
B3
POWER B+
I
Power Supply for Load2
Min 9V, Max 16V
B4
GROUND1
-
Power ground1
1V and less
B5
GROUND2
-
Power ground2
1V and less
C1
L_SeatSlideFRTLMTSW
I
Slide Front Limit SW
Open : 4V and more , Close : 2V and less
C2
L_SeatRecFRTLMTSW
I
Recline Front Limit SW
Open : 4V and more , Close : 2V and less
C3
SENSOR VCC2
O
Power source of Sensor
Min 7V, Max 16V
C4
A_CushionEXTSNSR
I
CushionEXT Sensor Signal
Open : 4V and more , Close : 2V and less
C5
-
-
-
-
C6
A_SlideRRSNSR
I
Slide Rear Sensor Signal
Open : 4V and more , Close : 2V and less
C7
-
-
-
-
C8
A_SlideFRTSNSR
I
Slide Front Sensor Signal
Open : 4V and more , Close : 2V and less
C9
A_RRHeightUpSNSR
I
Rear Height Up Sensor Signal
Open : 4V and more , Close : 2V and less
C10
SENSOR VCC1
O
Power source of Sensor
Min 7V, Max 16V
C11
L_SeatSlideRRLMTSW
I
Slide Rear Limit SW
Open : 4V and more , Close : 2V and less
C12
L_SeatRecRRLMTSW
I
Recline Rear Limit SW
Open : 4V and more , Close : 2V and less
C13
-
-
-
-
C14
A_HeadRestSNSR
I
HeadRest Sensor Signal
Open : 4V and more , Close : 2V and less
C15
-
-
-
-
C16
A_FRTHeightDownSNSR
I
Front Height Down Sensor Signal
Open : 4V and more , Close : 2V and less
C17
A_RRHeightDownSNSR
I
Rear Height Down Sensor Signal
Open : 4V and more , Close : 2V and less
C18
A_RecSNSR
I
Recline Sensor Signal
Open : 4V and more , Close : 2V and less
C19
A_FRTHeightUpSNSR
I
Front Height Up Sensor Signal
Open : 4V and more , Close : 2V and less
C20
SENSOR GND
-
Sensor GND
1V and less
D1
-
-
-
-
D2
-
-
-
-
D3
-
-
-
-
D4
C_CANHi
I/O
CAN high line
SIGNAL
D5
C_CANLow
I/O
CAN low line
SIGNAL
D6
-
-
-
-
D7
L_IGN1PSM
I
Back up source in case Of Vbat failure IGN1 input
Min 9V, Max 16V
D8
POWER VB
I
Vbat main
Min 9V, Max 16V
D9
-
-
-
-
D10
-
-
-
-
D11
-
-
-
-
D12
-
-
-
-
D13
-
-
-
-
D14
-
-
-
-
D15
-
-
-
-
D16
ECU GND
-
Signal ground
1V and less

Relax Power Seat Module (Passenger sedan)

PIN
Signal
I/O
Description
Remarks
A1
ASSIST SLIDE MOTOR FRT
O
ASSIST SLIDE FRT MOTOR Output
-
A2
ASSIST RECLINE MOTOR FRT
O
ASSIST RECLINE FRT MOTOR Output
-
A3
ASSIST TILT MOTOR UP
O
ASSIST TILT UP MOTOR Output
-
A4
ASSIST HEIGHT MOTOR UP
O
ASSIST HEIGHT UP MOTOR Output
-
A5
ASSIST HEADREST MOTOR UP
O
ASSIST HEADREST UP MOTOR Output
-
A6
ASSIST SLIDE MOTOR RR
O
ASSIST SLIDE RR MOTOR Output
-
A7
ASSIST RECLINE MOTOR RR
O
ASSIST RECLINE RR MOTOR Output
-
A8
-
-
-
-
A9
-
-
-
-
A10
ASSIST TILT MOTOR DOWN
O
ASSIST TILT DOWN MOTOR Output
-
A11
ASSIST HEIGHT MOTOR DOWN
O
ASSIST HEIGHT DOWN MOTOR Output
-
A12
ASSIST HEADREST MOTOR UP
O
ASSIST HEADREST UP MOTOR Output
-
B1
GND (POWER)
-
MOTOR operation POWER GND
1V and less
B2
GND (POWER)
-
MOTOR operation POWER GND
1V and less
B3
B+(POWER)
I
MOTOR operation POWER B+
Min 9V, Max 16V
B4
B+(POWER)
I
MOTOR operation POWER B+
Min 9V, Max 16V
B5
B+(POWER)
I
MOTOR operation POWER B+
Min 9V, Max 16V
C1
ASSIST SLIDE SENSOR1
I
ASSIST SLIDE SENSOR1 Input
Open : 4V and more , Close : 2V and less
C2
ASSIST TILT SENSOR1
I
ASSIST TILT SENSOR1 Input
Open : 4V and more , Close : 2V and less
C3
ASSIST HEIGHT SENSOR1
I
ASSIST HEIGHT SENSOR1 Input
Open : 4V and more , Close : 2V and less
C4
REAR SLIDE MOTOR FRT 
O
REAR SLIDE FRT MOTOR Output
-
C5
REAR LEGSUPPORT MOTOR UP 
O
REAR LEGSUPPORT UP MOTOR Output
-
C6
ASSIST SLIDE FRT SW (WALK IN)
I
ASSIST SLIDE FRT SW Input
Open : 4V and more , Close : 2V and less
C7
ASSIST RECLINE FRT SW (WALK IN)
I
ASSIST RECLINE FRT SW Input
Open : 4V and more , Close : 2V and less
C8
-
-
-
-
C9
-
-
-
-
C10
CAN High
I/O
-
SIGNAL
C11
CAN Low
I/O
-
SIGNAL
C12
ASSIST SLIDE SENSOR2
I
ASSIST SLIDE SENSOR2 Input
Open : 4V and more , Close : 2V and less
C13
ASSIST TILT SENSOR2
I
ASSIST TILT SENSOR2 Input
Open : 4V and more , Close : 2V and less
C14
ASSIST HEIGHT SENSOR2
I
ASSIST HEIGHT SENSOR2 Input
Open : 4V and more , Close : 2V and less
C15
REAR SLIDE MOTOR RR 
O
REAR SLIDE RR MOTOR Output
-
C16
REAR LEGSUPPORT MOTOR DOWN 
O
REAR LEGSUPPORT DOWN MOTOR Output
-
C17
ASSIST RECLINE SENSOR
I
ASSIST RECLINE SENSOR Input
Open : 4V and more , Close : 2V and less
C18
ASSIST HEADREST SENSOR
I
ASSIST HEADREST SENSOR Input
Open : 4V and more , Close : 2V and less
C19
ASSIST SLIDE MOTOR RR (SW)
I
ASSIST SLIDE MOTOR RR Input(SW)
Open : 4V and more , Close : 2V and less
C20
ASSIST RECLINE MOTOR RR (SW)
I
ASSIST RECLINE MOTOR RR Input(SW)
Open : 4V and more , Close : 2V and less
C21
-
-
-
-
C22
-
-
-
-
C23
-
-
-
-
C24
-
-
-
-
D1
ASSIST SLIDE FRT LIMIT SW
I
ASSIST SLIDE FRT LIMIT SW Input
Open : 4V and more , Close : 2V and less
D2
ASSIST REC FRT LIMIT SW
I
ASSIST REC FRT LIMIT SW Input
Open : 4V and more , Close : 2V and less
D3
REAR(VIP) SLIDE FRT LIMIT SW
I
REAR(VIP) SLIDE FRT LIMIT SW Input
Open : 4V and more , Close : 2V and less
D4
REAR(VIP) LEGSUPPORT UP LIMIT SW
I
REAR(VIP) LEGSUPPORT UP LIMIT SW Input
Open : 4V and more , Close : 2V and less
D5
-
-
-
-
D6
SENSOR VCC1
O
SENSOR1 Power Input
Min 7V, Max 16V
D7
SENSOR VCC2
O
SENSOR2 Power Input
Min 7V, Max 16V
D8
IGN 1
I
IGN 1 Power Input
Min 9V, Max 16V
D9
ECU B+
I
ECU Power Input
Min 9V, Max 16V
D10
ASSIST SLIDE RR LIMIT SW
I
ASSIST SLIDE RR LIMIT SW Input
Open : 4V and more , Close : 2V and less
D11
ASSIST REC RR LIMIT SW
I
ASSIST REC RR LIMIT SW Input
Open : 4V and more , Close : 2V and less
D12
REAR(VIP) SLIDE RR LIMIT SW
I
REAR(VIP) SLIDE RR LIMIT SW Input
Open : 4V and more , Close : 2V and less
D13
REAR(VIP) LEGSUPPORT DOWN LIMIT SW
I
REAR(VIP) LEGSUPPORT DOWN LIMIT SW Input
Open : 4V and more , Close : 2V and less
D14
SERIAL communication LINE
I/O
SERIAL communication Input/Output LINE
SIGNAL
D15
SBR SW
I
SBR SW
Open : 4V and more , Close : 2V and less
D16
-
-
-
-
D17
-
-
-
-
D18
-
-
-
-
D19
SENSOR GND
-
SENSOR Power GND 
1V and less
D20
ECU GND
-
ECU Power GND
1V and less

Relax Power Seat Module (Passenger limousine)

PIN
Signal
I/O
Description
Remarks
A1
ASSIST SLIDE MOTOR FRONT
O
ASSIST SLIDE MOTOR FRONT Output
-
A2
ASSIST RECLINE MOTOR FRONT
O
ASSIST RECLINE MOTOR FRONT Output
-
A3
ASSIST FOOTREST MOTOR UP
O
ASSIST FOOTREST MOTOR UP Output
-
A4
ASSIST HEADREST MOTOR UP
O
REAR SLIDE MOTOR FRONT Output
-
A5
-
-
-
-
A6
ASSIST SLIDE MOTOR REAR
O
ASSIST SLIDE MOTOR REAR Output
-
A7
ASSIST RECLINE MOTOR REAR
O
ASSIST RECLINE MOTOR REAR Output
-
A8
-
-
-
-
A9
-
-
-
-
A10
ASSIST FOOTREST MOTOR DOWN
O
ASSIST HEADREST MOTOR DOWN Output
-
A11
ASSIST HEADREST MOTOR DOWN
O
REAR SLIDE MOTOR REAR Output
-
A12
-
-
-
-
B1
POWER B+
O
POWER B+ Input
Min 9V, Max 16V
B2
POWER GND
-
POWER GND
1V and less
B3
POWER B+
O
POWER B+ Input
Min 9V, Max 16V
B4
-
-
-
-
B5
POWER GND
-
POWER GND
1V and less
C1
REAR SLIDE MOTOR FRONT
O
REAR SLIDE MOTOR FRONT Output
-
C2
REAR LEGSUPPORT MOTOR UP
O
REAR LEGSUPPORT MOTOR UP Output
-
C3
ASSIST SLIDE FRONT SW
I
ASSIST SLIDE FRONT SW Input
Open : 4V and more , Close : 2V and less
C4
ASSIST RECLINE FRONT SW
I
ASSIST RECLINE FRONT SW Input
Open : 4V and more , Close : 2V and less
C5
-
-
-
-
C6
ASSIST SLIDE SENSOR 1
I
ASSIST SLIDE SENSOR1 Input
Open : 4V and more , Close : 2V and less
C7
ASSIST RECLINE SENSOR
I
ASSIST RECLINE SENSOR Input
Open : 4V and more , Close : 2V and less
C8
REAR SLIDE SENSOR1
I
REAR SLIDE SENSOR1 Input
Open : 4V and more , Close : 2V and less
C9
REAR LEGSUPPORT SENSOR1
I
REAR LEGSUPPORT SENSOR1 Input
Open : 4V and more , Close : 2V and less
C10
ASSIST HEADREST SENSOR
I
ASSIST HEADREST SENSOR Input
Open : 4V and more , Close : 2V and less
C11
SENSOR VCC1
O
SENSOR VCC1 Output
Min 7V, Max 16V
C12
REAR SLIDE MOTOR REAR
O
REAR SLIDE MOTOR REAR Output
-
C13
REAR LEGSUPPORT MOTOR DOWN
O
REAR LEGSUPPORT MOTOR DOWN Output
-
C14
ASSIST SLIDE REAR SW
I
ASSIST SLIDE REAR SW Input
Open : 4V and more , Close : 2V and less
C15
ASSIST RECLINE REAR SW
I
ASSIST RECLINE REAR SW Input
Open : 4V and more , Close : 2V and less
C16
-
-
-
-
C17
SERIAL LINE
I/O
SERIAL communcation LINE
SIGNAL
C18
-
-
-
-
C19
ASSIST SLIDE SENSOR2
I
ASSIST SLIDE SENSOR2 Input
Open : 4V and more , Close : 2V and less
C20
ASSIST FOOTREST SENSOR
I
ASSIST FOOTREST SENSOR Input
Open : 4V and more , Close : 2V and less
C21
REAR SLIDE SENSOR2
I
REAR SLIDE SENSOR2 Input
Open : 4V and more , Close : 2V and less
C22
REAR LEGSUPPORT SENSOR2
I
REAR LEGSUPPORT SENSOR2 Input
Open : 4V and more , Close : 2V and less
C23
AUTO SW
I
AUTO SW Input
Open : 4V and more , Close : 2V and less
C24
SENSOR VCC2
O
SENSOR VCC2 Output
Min 7V, Max 16V
D1
ASSIST SLIDE LIMIT FRONT SW
I
ASSIST SLIDE LIMIT FRONT SW Input
Open : 4V and more , Close : 2V and less
D2
ASSIST RECLINE LIMIT FRONT SW
I
ASSIST RECLINE LIMIT FORNT SW Input
Open : 4V and more , Close : 2V and less
D3
REAR SLIDE LIMIT FRONT SW
I
REAR SLIDE LIMIT FRONT SW Input
Open : 4V and more , Close : 2V and less
D4
REAR LEGSUPPORT LIMIT UP SW
I
REAR LEGSUPPORT LIMIT UP SW Input
Open : 4V and more , Close : 2V and less
D5
CAN HIGH
I/O
CAN HIGH In/Output
SIGNAL
D6
CAN LOW
I/O
CAN LOW In/Output
SIGNAL
D7
-
-
-
-
D8
IGN1
I
BACK UP Power and IGN Input
Min 9V, Max 16V
D9
ECU B+
I
ECU Power
Min 9V, Max 16V
D10
ASSIST SLIDE LIMIT REAR SW
I
ASSIST SLIDE LIMIT REAR SW Input
Open : 4V and more , Close : 2V and less
D11
ASSIST RECLINE LIMIT DOWN SW
I
ASSIST RECLINE LIMIT DOWN SW Input
Open : 4V and more , Close : 2V and less
D12
REAR SLIDE LIMIT REAR SW
I
ASSIST RECLINE LIMIT REAR SW Input
Open : 4V and more , Close : 2V and less
D13
REAR LEGSUPPORT LIMIT DOWN SW
I
REAR LEGSUPPORT LIMIT DOWN SW Input
Open : 4V and more , Close : 2V and less
D14
ASSIST FOOTREST LIMIT UP SW
I
ASSIST FOOTREST LIMIT UP SW Input
Open : 4V and more , Close : 2V and less
D15
ASSIST FOOTREST LIMIT DOWN SW
I
ASSIST FOTTREST LIMIT DOWN SW Input
Open : 4V and more , Close : 2V and less
D16
SBR SW
I
SBR SW Input
Open : 4V and more , Close : 2V and less
D17
SENSOR GND
-
SENSOR Power GND
1V and less
D18
ECU GND
-
ECU Power GND
1V and less
D19
-
-
-
-
D20
-
-
-
-

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