Assist Memory Power Seat Module (APSM)

Courtesy of HYUNDAI MOTOR AMERICA

No	Connector A	Connector B	Connector C	Connector D
1	-	Battery (+)	-	-
2	-	Ground	B-CAN (High)	-
3	Head rest (Forward)	Battery (+)	B-CAN (Low)	Slide hall sensor
4	Head rest (Up)	-	LIN Communication	Front tilt hall sensor
5	-	Ground	-	-
6	Rear height (Up)		-	Hall sensor power
7	Front tilt (Up)		-	Ignition 1
8	Reclining (Forward)		Walk-in switch (Reclining forward)	Battery (+)
9	Slide (Forward)		Walk-in switch (Slide, forward)	Ground
10	-		Seat belt remind	-
11	-		-	Reclining hall sensor
12	Head rest (Backward)		-	Rear height hall sensor
13	Head rest (Down)		-	Head rest hall sensor (Up/Down)
14	-		-	Head rest hall sensor (slide)
15	Rear height (Down)		-	-
16	Front tilt (Down)		-	-
17	Reclining (Backward)		-
18	Slide (Backward)		Walk-in switch (Reclining backward)
19			Walk-in switch (Slide, backward)
20			-