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
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Other information:
Hyundai Tucson (NX4) 2022-2025 Service Manual: Lumber Support System
- Removal
1.Disconnect the negative (-) battery terminal.
2.Remove the front seat back cover.(Refer to Body - "Front Seat Back Cover")
3.Disconnect motor connecotor (A).
4.Remove the front side airbag (A).
5.Remove the lumber support cable bracket after loosening mounting screws.
6.R ...
Hyundai Tucson (NX4) 2022-2025 Service Manual: Rain Sensor
- Description
Integrated Rain Sensor
Integrated rain sensor (A) controls three systems: front wiper, auto-light, and central air conditioner.1.Wiper
Control SystemWhen "AUTO" switch signal is received from the
multi-function switch on the right, the integrated rain sensor detects
the amoun ...
