Kia Rio YB Quiz
Engine Electrical System

Ignition System

In this manual: Engine Electrical System
General Information — 8Maintenance — 31Engine Mechanical System — 44Engine Electrical System — 14Emission Control System — 9Engine Control System/Fuel System — 30Clutch System — 10Manual Transmission — 10Automatic Transmission — 23Drive Shaft and Axle — 8Suspension System — 15Steering — 9Restraints — 14Brake System — 22Body (Interior and Exterior) — 115Body Electrical System — 84Heating, Ventilation, and Air Conditioning — 28
6steps
~36min
2/5difficulty
Done 0 of 6

Description and Operation

Description

Ignition timing is controlled by the electronic spark advance control system.

Standard reference ignition timing data for engine operating conditions is pre-programmed in the ECM (Engine Control Module) memory.

Engine operating conditions (speed, load, warm-up status, etc.) are detected by various sensors. Based on these sensor signals and the ignition timing data, primary circuit interrupt signals are sent to the ECM.

The ignition coil is activated and the timing is controlled.

Repair Procedures

Inspection on Vehicle

Inspect the Ignition Coil Assembly and Perform Spark Test

  1. Check for DTCs.

  2. Check whether sparks occur.

    1. Remove the engine cover.

    2. Remove the cylinder head cover center cover.

    3. Remove the ignition coils.

    4. Using a spark plug socket, remove the spark plugs.

    5. Disconnect the 4 injector connectors.

    6. Ground the spark plug to the engine.

    7. Check whether a spark occurs at each spark plug while cranking the engine.

  3. If no sparks occur, perform the following check.

  4. Using a spark plug socket, install the spark plugs.

  5. Install the ignition coils.

  6. Install the center cylinder head cover and engine cover.

Troubleshooting

Troubleshooting

Symptom Suspect area Remedy
Engine Does Not Start or Is Hard to Start
Starts (Starts Normally)		 Ignition Switch Inspect the ignition switch or replace if necessary.
Ignition Coil Inspect the ignition coil or replace if necessary.
Spark Plugs Inspect the spark plugs or replace if necessary.
Ignition wiring is disconnected or damaged. Repair the wiring or replace if necessary.
Rough Idle or Stalls Ignition Wiring Repair the wiring or replace if necessary.
Ignition Coil Inspect the ignition coil or replace if necessary.
Engine shakes / poor acceleration Spark plugs and spark plug cables Inspect spark plugs / cable or replace if necessary
Ignition Wiring Repair the wiring or replace if necessary.
Poor mileage Spark plugs and spark plug cables Inspect spark plugs / cable or replace if necessary

Test yourself

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