KIA Niro: Cooling Fan Repair procedures | Cooling Fan Assembly

Cooling Fan Components and components location

Components

  1. Cooling fan
  2. Cooling fan motor
  3. Cooling fan shroud
  4. Air dam
  5. Cooling fan controller (PWM)

Description

Controls the cooling fan motor voltage depending on the duty output from the ECU (Freq.: 300Hz).

Signal from the ECU to the PWM (SI: 300Hz)

Specifications

Circuit Diagram

Circuit Diagram

PWM Circuit Diagram

Cooling Fan Assembly

Cooling Fan Assembly

Removal and
Installation

  1. Disconnect the negative battery terminal.
  2. Remove the air cleaner and air duct A.

     

    (Refer to Intake and Exhaust System - "Air Cleaner")

  3. Separate the engine clutch reservoir tank (A).

Tightening torque : 3.9 - 5.9 N*m (0.4 - 0.6 kgf*m, 2.9 - 4.3 lb*ft)

  1. Disconnect the cooling fan control module (PWM) connector (A).

  1. Remove the hybrid starter generator coolant hose & pipe (A) from the cooling fan shroud.

Tightening torque : 7.8 - 11.8 N*m (0.8 - 1.2 kgf*m, 5.8 - 8.7 lb*ft)

  1. Separate the radiator coolant pipe (A) from the cooling fan shroud.

Tightening torque : 7.8 - 11.8 N*m (0.8 - 1.2 kgf*m, 5.8 - 8.7 lb*ft)

  1. Remove the air dam (A).

Tightening torque : 1.8 - 2.5 N*m (0.18 - 0.25 kgf*m, 1.3 - 1.8 lb*ft)

  1. Remove the cooling fan assembly (A).

Tightening torque : 4.9 - 8.3 N*m (0.5 - 0.8 kgf*m, 3.6 - 6.1 lb*ft)

  1. Install in the reverse order of removal.

    READ NEXT:

     Cooling Fan Control Module (PWM) | Radiator

    Disconnect the battery negative terminal. Remove the air duct.   (Refer to Intake and Exhaust System - "Air Cleaner") Disconnect the cooling fan control module (PWM) connector (A) and cooling fan motor

    SEE MORE:

     Start/Stop Button | ESCL (Electronic Steering Column Lock)

    Start/Stop Button Repair procedures Removal Disconnect the negative (-) battery terminal. Remove the crash pad garnish assembly (RH). (Refer to Body - "Crash Pad Garnish (RH)") Remove the start/stop button. (1) Push

     High Voltage Battery Module Balancing & Voltage Measurement

    After removing the defective module from the HV battery pack make carefully a visual check and then put back it into the safety disposal box. Warning The cell quantity varies per module number. Check before conducting procedure.