Hyundai Tucson: IMS (Integrated Memory)
Description
The optimal seat position set by the driver is memorized into the power seat unit by using IMS switch.
In case of the position change, the seat can restore its preset position by IMS switch.
It has safety functions of restoring process prohibition during driving and of emergency stop of the linked motion.
The main functions are as follows.
- Manual operation : Motor control with the seat manual switch.
(1) The position of the seat is changed by operating the motor when the signal is input with manual switch for the seat (Slide, recline, front tilt, rear height adjusting cushion extension)
- Memory function : Available for memorizing/reproducing the data for two persons with IMS switch.
- Motion linked to getting on/off
(1) This function links motion depending on the state of ON/OFF the engine.
(2) Use of IMS CAN data communcation.
(3) Condition for operating getting on : When the electric power is in ACC.
Operation
Reproducing Motion
- If the reproduction CAN data is received from DDM, the buzzer is issued one time and the seat is automatically moved to the memorized position.
- The CAN data not memorized does not perform reproduction function.
- If CAN data is newly received during previous data reproduction, the final data takes precedence.
- If the reproduction CAN data is received by pressing button 1 or 2 during reproduction, the seat stops the reproduction process.
- If the memorized CAN data is received by pressing SET button during reproduction, the seat stops the reproduction process.
Press the SET button once more to store the position of stop.
- Automatically stop when remart switch is OFF during reproduction.
- Do not operate the motor when the difference between the memorized position for reproduction and current position is less than 4 pulses.
Conditions for Prohibiting the Reproduction
In case any of the following conditions is met, the reproduction is prohibited and the controlling stops during reproduction.
- IGN2 OFF (Excluding within 30 seconds after door opening or closing.)
- Higher than 3km/h of vehicle speed
- When the switch is controlled manually
- Operation time chart
Decision on the Operation Priority
- For automatic control, the motor operation shall be delayed by 100+-10m
sec to prevent the
overlapping of inrush circuit and in this case the priority shall be given
as follows.
Slide > Backrest adjustment >Front height adjustment >Rear height adjustment > Cushion extension adjustment
Operation time chart
Operation Linked with Getting On/ Getting Off
- Returning motion to backwards during getting off and to forwards during getting on (applied only to slide).
- It is available when the automatic SET message transmitted from the driver seat power window switch (DDM) is ON.
- Operation starts when the engine is off and driver seat door is opened.
- Moving to the targeted position of ACC ON.
- Conditions for prohibiting operation.
- Vehicle speed is 3km h or more.
- Power seat manual control switch is operated.
- Reproduction command is received while getting on the vehicle.
- Driver settings menu (USM) is OFF.
Component Location
- Seat Memory Unit (IMS)
- IMS control switch
- Outside mirror
- IMS mirror control (Driver power window switch)
Specifications
Memory Power Seat Unit
Memory Power Seat Switch
Circuit Diagram
Components
IMS input/output pin information
Removal
- Disconnect the negative (-) battery terminal.
- Remove the front seat assembly.
(Refer to Body - "Front Seat Assembly")
- Disconnect power seat unit connector (A).
- Remove the power seat unit (A) after loosening mounting screws.
Installation
- Install the IMS unit after reconnecting the connector.
- Install the driver seat.
- Connect the negative (-) battery terminal.
Removal
- Disconnect the negative (-) battery terminal.
- Remove the front door trim.
(Refer to Body - "Front Door Trim")
- Remove the IMS switch (A) after loosening mounting screws.
Installation
- Install the IMS switch.
- Reassemble the front door trim.
- Connect the negative (-) battery terminal.
Inspection
- Disconnect the IMS control switch connector (A).
- With the power IMS control switch in each position, make sure that continuity exists between the terminals below. If continuity is not as specified, replace the IMS control switch.
READ NEXT:
Fuel Filler Door
Component Location
Fuel filler door release actuator
Inspection
Disconnect the negative (-) battery terminal.
Remove the fuel filler housing after opening the fuel filler door.
(Refer to Body - "Fuel Filler Door")
Dis
Ower Seat Motor
Component Location
Lumber support motor
Reclining motor
Front height motor
Slide motor
Rear height motor
Lumbar support switch
Reclining switch
Power seat switch
Inspection
Ower Seat Motor
Remove the front seat assembly.
SEE MORE:
Motor Driven Power Steering - Description
Description
MDPS (Motor Dirven Power Steering) system uses an electric motor to assist
the steering force and it
is an engine operation independent steering system.
MDPS control module controls the motor operation according to information
re
Surround View Monitor (SVM)
Surround View Monitor can help assist in
parking using the cameras installed on
the vehicle and displays images around
the vehicle through the infotainment
system screen.
Parking Assist View function helps
the driver to see the surround
Information
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