Engine Electrical System
Ignition Coil
In this manual: Engine Electrical System
3steps
~18min
2/5difficulty
Done 0 of 3
Specifications
Specification
| Item | Specification |
| Rated Voltage (V) | 12 |
| Operating Voltage (V) | 5 - 16 |
| Item | Specification | |||||
| Engine Speed (rpm) | 1000 | 2000 MY | 3000 | 4000 | 5000 | 6000 |
| Delay time (ms) | 3,82 | 2,61 | 2,27 | 1,93 | 1,79 | 1,6 |
| Secondary Winding Voltage (kV) | 32 ↑ | 32 ↑ | 31 ↑ | 30 ↑ | 29 ↑ | 27 ↑ |
Description and Operation
Description
The ignition coil is an induction coil in the engine ignition system that converts the low battery voltage to the high voltage required to produce an electric spark at the spark plugs to ignite the fuel. Some coils have an internal resistor, while others rely on a resistor wire or external resistor to limit the current flowing through the coil from the 12 V battery supply.
Circuit Diagrams
Wiring Diagram

Connector Type

Repair Procedures
Removal
Disconnect the negative battery cable.
Remove the engine cover.
Remove the ignition coil (A) after loosening the mounting bolts.
Ignition coil mounting bolt:
9,8–11.8 N·m


Installation
Install in the reverse order of removal.
Inspection
Measure the primary winding resistance between terminals 1 and 2.

Specification: 0.74 Ω ± 10% 20 °C
Test yourself
A quick Kia Rio YB quiz: every answer comes with an explanation and a link to the manual page.
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