Hyundai i-30: Ignition System / Troubleshooting
Hyundai i30 (PD) 2018-2025 Service Manual / Engine Electrical System / Ignition System / Troubleshooting
| 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 and spark plug cables |
Inspect spark plugs / cable, or replace as required |
|
Ignition wiring |
Repair wiring, or replace as required |
|
|
Poor mileage |
Spark plugs and spark plug cables |
Inspect spark plugs / cable, 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...
Other information:
Hyundai i30 (PD) 2018-2025 Service Manual: Repair procedures
Removal 1. Disconnect the negative (-) battery terminal. 2. Remove the glove box upper cover assembly. (Refer to Body - "Glove Box Upper Cover Assembly") 3...
Hyundai i30 (PD) 2018-2025 Service Manual: Description and operation
Description The charging system includes a battery, an alternator with a built-in regulator, and the charging indicator light and wire. The Alternator has eight built-in diodes, each rectifying AC current to DC current. Therefore, DC current appears at alternator "B" terminal...
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Turn signals and lane change signals
To signal a turn, push down on the lever for a left turn or up for a right turn in position (A). To signal a lane change, move the turn signal lever slightly and hold it in position (B).The lever will return to the OFF position when released or when the turn is completed.
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