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) 2022-2026 Service Manual: Antenna
- Removal
1.Disconnect the negative (-) battery terminal.
2.Remove the rear roof trim.(Refer to Body - "Roof Trim Assembly")
3.Disconnect the antenna connectors (A) and then remove the mounting nut (B).
- Installation
1.Install the integrated antenna.
2.Connect the antenna connector a ...
Hyundai Tucson (NX4) 2022-2026 Owner's Manual: Downhill Brake Control (DBC)
indicator light
This indicator light illuminates:
When the ignition switch is in the ON
position. The downhill brake control
indicator light illuminates for about 3
seconds and then goes off.
When you activate the system by
pressing the DBC button.
This indicator light blinks:
When Downhill ...
