Hyundai i-30: Engine Control System / Thermal Management Module (TMM) Motor

Hyundai i30 (PD) 2018-2025 Service Manual / Engine Control / Fuel System / Engine Control System / Thermal Management Module (TMM) Motor

Description and operation
Description
Integrated thermal management module (ITM) is a device that controls the coolant flow rate according to coolant temperature. At initial startup, the integrated thermal management module (ITM) quickly warms up the engine by controlling the flow of the coolant and this fast warm-up helps improve the fuel efficiency. When the coolant temperature rises, the integrated thermal management module (ITM) adjusts the cooling water temperature by controlling the valves to regulate the flow of coolant through a radiator or heater.
Schematic diagrams
Circuit Diagram

Harness Connector

Repair procedures
Removal
1.
Remove the integrated thermal management module (ITM).
(Refer to Engine Mechanical System - "Integrated Thermal Management Module (ITM)")
  
•
A separate replacement of the ITM (Integrated Thermal Management Motor) is not possible. You should place the new ITM (Integrated Thermal Management Module) assembly to fix the problem.
Installation
1.
Install in the reverse order of removal.
  
•
A separate replacement of the ITM (Integrated Thermal Management Motor) is not possible. You should place the new ITM (Integrated Thermal Management Module) assembly to fix the problem.
Inspection
1.
Turn the ignition switch OFF.
2.
Connect the diagnostic tool to data link connector (DLC).
3.
Turn the ignition switch ON.
4.
Select "Vehicle, Model Year, Engine, System".
5.
Connect a diagnostic tool and then operate the integrated thermal management motor (ITM).
6.
Confirm the Integrated thermal management motor (ITM) proper operation.
7.
When the DTC occur, refer to the DTC guide.

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