Hyundai Elantra Owners and Service Manuals

Hyundai Elantra: IMS(Integrated Memory System) / Memory power seat unit

Hyundai Elantra (CN7) 2021-2025 Service Manual / Body Electrical System / IMS(Integrated Memory System) / Memory power seat unit

Components and components location
Components

Connector Pin Information
Pin no
Connector A
Connector B
Connector C
1
-
B (+)
Slide switch signal (Forward)
2
Reclining motor (Forward)
GND(Power)
Reclining switch signal (Forward)
3
Height motor (Up)
B (+)
Front tilt switch signal (Up)
4
Slide motor (Forward)
-
Height switch (Up)
5
-
GND
Reclining limit switch signal (Forward)
6
Reclining motor (Backward)

B_CAN (High)
7
Tilt motor (Up)
B_CAN (Low)
8
Tilt motor (Down)
-
9
Height motor (Down)
Driver lumber motor (Mid)
10
Slide motor (Backward)
Seat slide sensor
11

Seat tilt sensor
12
-
13
Seat position sensor power
14
IGN 1
15
Seat slide switch (Backward)
16
Seat recline switch (Backward)
17
Tilt switch (Down)
18
Height switch (Down)
19
Reclining limit switch signal (Backward)
20
GND
21
-
22
IMS Switch
23
Driver lumber motor (Def)
24
Reclining sensor
25
Height sensor
26
-
27
-
28
B(+)

Schematic diagrams
Circuit Diagram

Repair procedures
Removal
1.
Disconnect the negative (-) battery terminal.
2.
Remove the driver seat assembly.
(Refer to Body - "Front Seat Assembly")
3.
Loosening the IMS unit mounting screws.

4.
Disconnect IMS module connectors (A) and then remove the IMS unit.

Installation
1.
Install the memory power seat unit.
2.
Install the driver seat assembly.
3.
Connect the negative (-) battery terminal.

    Schematic diagrams

    C..

    Memory power seat switch

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    Categories

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    When using the rear center seat belt, the buckle with the “CENTER” mark must be used.

    WARNING

    Make sure that the seatback is locked in place when using the rear center seat belt.

    If not, the seatback may move when there is a sudden stop or collision, which could result in serious injury.

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