Hyundai Elantra: IMS(Integrated Memory System) / Memory power seat unit
Components and components location

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

Repair procedures
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. 

|
1. | Install the memory power seat unit. |
2. | Install the driver seat assembly. |
3. | Connect the negative (-) battery terminal. |
Components and components location
Components
Repair procedures
Removal1.Disconnect the negative (-) battery terminal.2.Remove the driver door trim...
Other information:
In the OFF position, pull the lever gently
toward you to spray washer fluid on the
windshield and to run the wipers 1-3
cycles. The spray and wiper operation
will continue until you release the lever. If
the washer does not work, you may need
to add washer fluid to the washer fluid
reservoir...
Repair procedures
Removal1.Disconnect the battery negative terminal. 2.Remove the air duct and air cleaner assembly.(Refer to Intake and Exhaust System - "Air Cleaner")3.Remove the battery and battery tray.(Refer to Engine Electrical System - "Battery")4...