Kia Rio: Heating,Ventilation, Air Conditioning

Kia Rio 2017-2023 YB Service Manual / Heating,Ventilation, Air Conditioning

Specifications

Specification

Air Conditioner

Item		Specification
Compressor	Type	DVE12
	Oil type & Capacity	PAG 30, 120 ± 10 g
	Displacement	122 cc/rev
Expansion valve	Type	Block type
Refrigerant	Type	R-134a, R-1234yf
Refrigerant	Capacity	450 ± 25 g (15.7 ± 0.88 oz.)

Blower Unit

Item		Specification
Intake	Control Type	Dome door
Blower	Type	Sirocco
	Speed Step	FATC: Auto or 1-8 speed, MANUAL: 1-4 speed
	Speed Control	FATC: Power mosfet, MANUAL: Blower resistor
Air filter	Type	Particle filter

Heater And Evaporator Unit

Item		Specification
Heater	Type	Pin & Tube type
	Heating Capacity	4,700 - 3% kcal/hr
	Mode Control Type	Actuator
	Temperature Control Type	Actuator
Evaporator	Cooling Capacity	4,500 kcal/hr
	Temperature Control Type	Evaporator temperature sensor
	A/C ON/OFF	ON: 0 ± 0.3°C (32.0 ± 0.5°F) OFF: -2.0 ± 0.3°C (28.4 ± 0.5°F)

Tightening Torques

Items	N·m	kgf·m	lb·ft
Compressor	21.6 - 32.4	2.2 - 3.3	15.9 - 23.8
Condenser - Discharge hose	4.9 - 5.9	0.5 - 0.6	3.6 - 4.3
Condenser - Liquid tube	4.9 - 5.9	0.5 - 0.6	3.6 - 4.3
Compressor - Discharge hose	4.9 - 5.9	0.5 - 0.6	3.6 - 4.3
Compressor - Suction hose	4.9 - 5.9	0.5 - 0.6	3.6 - 4.3
Expansion valve - Evaporator	11.8 - 14.7	1.2 - 1.5	8.7 - 10.9

Special service tools

Special Service Tools

Tool (Number and name)	Illustration	Use
09977-3R000 Disc & hub assembly bolt remover		Removal and installation of disc & hub assembly.

Troubleshooting

Problem Symptoms Table

Before replacing or repairing air conditioning components, first determine if the malfunction is due to the refrigerant charge, air flow or compressor.

Use the table below to help you find the cause of the problem. The numbers indicate the priority of the likely cause of the problem. Check each part in order. If necessary, replace these parts.

After correcting the malfunction, check the complete system to ensure that performance is satisfactory.

Symptom	Suspect Area
No blower operation	1. Blower fuse
	2. Blower relay
	3. Blower motor
	4. Blower resistor, Power mosfet or PWM blower module
	5. Blower speed control switch or knob
	6. Wire harness
No air temperature control	1. Engine coolant capacity
	2. Heater control assembly
	3. Temperature control actuator or cable
No compressor operation	1. Refrigerant capacity
	2. A/C Fuse
	3. Compressor
	4. A/C pressure transducer
	5. A/C switch
	6. Evaporator temperature sensor
	7. Wire harness
	8. High CAN
No cool comes out	1. Refrigerant capacity
	2. Refrigerant pressure
	3. Drive belt
	4. Compressor
	5. A/C pressure transducer
	6. Evaporator temperature sensor
	7. A/C switch
	8. Heater control assembly
	9. Wire harness
	10. High CAN
	11. Temperature control actuator or cable
Insufficient cooling	1. Refrigerant capacity
	2. Drive belt
	3. Compressor
	4. Condenser
	5. Expansion valve
	6. Evaporator
	7. Refrigerant lines
	8. A/C pressure transducer
	9. Heater control assembly
	10. High CAN
No engine idle-up when A/C switch ON	1. Engine ECM
No engine idle-up when A/C switch ON	2. Wire harness
No air inlet control	1. Heater control assembly
No air inlet control	2. Intake actuator
No mode control	1. Heater control assembly
No mode control	2. Mode control actuator or cable
No cooling fan operation	1. Cooling fan fuse
	2. Fan motor
	3. Blower resistor, Power mosfet or PWM blower module
	4. Engine ECM
	5. Wire harness

Air Conditioning System

Ambient Temperature Sensor

Heater

Blower

Controller

❮Rain Sensor

Components and components location Components Schematic diagrams Circuit Diagram Description and operation Description Integrated Rain Sensor Integrated rain sensor (A) controls three systems: front wiper, auto-light, and central air conditioner.

Air Conditioning System❯

General safety information and caution Instructions When Handling Refrigerant 1. R-134a liquid refrigerant is highly volatile.

Other information:

Kia Rio 2017-2023 YB Service Manual: Smart Key

Repair procedures Smart Key Smart Key Code Saving 1. Connect the DLC cable of KDS/GDS to the data link connector (16 pins) in driver side crash pad lower panel, turn the power on KDS/GDS. 2. Select the vehicle model and then do "Smart key code saving".

Kia Rio 2017-2023 YB Service Manual: Photo Sensor (FATC only)

Description and operation Description The photo sensor is located at the center of defrost nozzles. The photo sensor contains a photovoltaic (sensitive to sunlight) diode. The solar radiation received by its light receiving portion, generates an electromotive force in proportion to the amount of radiation received which is tran