Hyundai Tucson: Ignition System / Troubleshooting
| Trouble symptom | Probable cause | 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 |
| Ignition coil | Inspect ignition coil, or replace as required | |
| Engine hesitates/poor acceleration | Spark plugs | Inspect spark plugs, or replace as required |
| Ignition wiring | Repair wiring, or replace as required |
Description and Operation
- Description
The ignition coil is a kind of small transformer that transforms the
battery voltage to 30 kV or more to create a spark in the spark plug gap
in the cylinder.The igniter embedded ...
Schematic Diagrams
- Schematic Diagrams
...
Other information:
Hyundai Tucson (NX4) 2022-2025 Service Manual: Auto Light Sensor
- Inspection
Check if the auto light control operates like a timing chart shown
below.Tail lamp output and head lamp (Low) output is controlled based on
the auto light sensor's input (illumination intensity) when the Auto
Light Switch in Multi-Function Switch is turned ON, and the vehicle i ...
Hyundai Tucson (NX4) 2022-2025 Owner's Manual: Heating and Air Conditioning
1. Start the engine.
2. Set the mode to the desired position.
To improve the effectiveness of
heating and cooling, select:
- Heating:
- Cooling:
3. Set the temperature control to the
desired position.
4. Set the air intake control to the
outside (fresh) air position.
5. Set the fan ...
