Hyundai Kona: Ignition System / Troubleshooting

Hyundai Kona (OS) 2018-2025 Service Manual / Engine Electrical System / Ignition System / Troubleshooting

Troubleshooting

Symptom	Suspect Area	Remedy
Engine will not start or is hard to start (Cranks OK)	Ignition lock switch	Inspect ignition lock switch, or replace as required
	Ignition coil	Inspect ignition coil, or replace as required
	Spark plugs	Inspect spark plugs, or replace as required
	Ignition wiring disconnected or broken	Repair wiring, or replace as required
Rough idle or stalls	Ignition wiring	Repair wiring, or replace as required
Rough idle or stalls	Ignition coil	Inspect ignition coil, or replace as required
Engine hesitates/poor acceleration	Spark plugs and spark plug cables	Inspect spark plugs / cable, or replace as required
Engine hesitates/poor acceleration	Ignition wiring	Repair wiring, or replace as required
Poor mileage	Spark plugs and spark plug cables	Inspect spark plugs / cable, or replace as required

Repair procedures

On-vehicle Inspection Inspect ignition coil assembly and Perform spark test 1. Check for DTCs. ...

Ignition Coil Specifications

Specification Item Specification Primary Coil Resistance (Ω) 0.56 ± 10% [20°C (68°F)] Pin 4 ...

Other information:

Hyundai Kona (OS) 2018-2025 Service Manual: Evaporator Temperature Sensor Repair procedures
Inspection 1. Turn the ignition switch OFF. 2. Disconnect the evaporator temperature sensor connector. 3. Measure the resistance between terminal "+" and "-" of t ...

Hyundai Kona (OS) 2018-2025 Owners Manual: Mode selection
The mode selection button controls the direction of the air flow through the ventilation system. Defrost-Level (A, D) Most of the air flow is directed to the windshield. Face-Level (B, D) Air flow is directed toward the upper body and face. Additionally, each outlet can be controlled to direct ...