Kia Niro: Cooling System / Active Air Flap (AAF) Repair procedures

Removal and Installation
1.

Remove the air duct.

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

2.

Remove the front bumper cover.

(Refer to Body (Interior and Exterior) - "Front Bumper Cover")

3.

Disconnect the high pitch horn connector (A).

4.

Disconnect the low pitch horn connector (A).

5.

Disconnect the virtual engine sound speaker (VESS) speaker connector (A).

6.

Disconnect the advents smart cruise control (ASCC) connector (A)

7.

Remove the front bumper beam (A).

Tightening torque :

7.8 - 9.8 N·m (0.8 - 1.0 kgf·m, 5.8 - 7.2 lb·ft)

8.

Remove the ambient temperature sensor (A)

9.

Remove the air guard (A).

Tightening torque :

3.9 - 5.9 N·m (0.4 - 0.6 kgf·m, 2.9 - 4.3 lb·ft)

[RH]

[LH]

10.

Disconnect the active air flap (AAF) connector (A).

11.

Remove the active air flap (AAF) (A).

Tightening torque :

7.8 - 9.8 N·m (0.8 - 1.0 kgf·m, 5.8 - 7.2 lb·ft)

12.

Install in the reverse order of removal.

Disassembly
1.

Remove the active air flap (AAF) actuator (A).

Tightening torque :

1.5 - 2.5 N·m (0.15 - 0.25 kgf·m, 1.1 - 1.8 lb·ft)

2.

Remove the active air flap (AAF) duct (A).

Tightening torque :

2.0 - 3.9 N·m (0.2 - 0.4 kgf·m, 1.4 - 2.9 lb·ft)

3.

Remove the air flap (A).

4.

Assemble in the reverse order of disassembly.

Active Air Flap (AAF) Schematic diagrams
Schematic Diagram ...

Active Air Flap (AAF) Troubleshooting
Troubleshooting Symptoms Possible Causes Remedy Warning illuminated "Check active air flap system" Active ...

Other information:

Kia Niro 2017 (DE HEV) Service Manual: Description and operation
Operation 1. Cooling Fan 2. cooling duct (inlet) 3. outlet cooling duct (outlet) ...

Kia Niro 2017 (DE HEV) Service Manual: Pre-Charge Resistor Description and operation
Description Built into the Power Relay Assembly (PRA), the Pre-Charge Resistor protects the high voltage circuit by limiting the current while the inverter capacitor is being charged. 1. High Voltage Power Terminal (-) 2. High Voltage Power Terminal (+) 3. ...

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