Hyundai Tucson: Ignition System / Ignition Coil Description and Operation

Hyundai Tucson (LM) 2010-2015 Service Manual / Engine Electrical System / Ignition System / Ignition Coil Description and Operation

Description

An ignition coil is an induction coil in an engine's ignition system which transforms the battery's low voltage to the high voltage needed to create an electric spark in the spark plugs to ignite the fuel. Coils have an internal resistor while others rely on a resistor wire or an external resistor to limit the current flowing into the coil from the battery 12 V supply.

Repair procedures

On-vehicle Inspection Inspect ignition coil assembly and Perform spark test 1. Check for DTCs. • If a DTC is present, perform troubleshooting in accordance with the ...

Ignition Coil Specifications

Specification ItemSpecification Primary Coil Resistance (x)0.75 ± 15% [20°C (68°F)]Secondary Coil Resistance (kx)5.9 ± 15% [20°C (68°F)] ...

Other information:

Hyundai Tucson (LM) 2010-2015 Owners Manual: Important safety precautions
You will find many safety precautions and recommendations throughout this section, and throughout this manual. The safety precautions in this section are among the most important. Always wear your seat belt A seat belt is your best protection in all types of accidents. Air bags are designed ...

Hyundai Tucson (LM) 2010-2015 Service Manual: CVVT Oil Control Valve (OCV) Description and Operation
Description Continuous Variable Valve Timing (CVVT) system advances or retards the valve timing of the intake and exhaust valve in accordance with the ECM control signal which is calculated by the engine speed and load. By controlling CVVT, the valve over-lap or under-lap occurs, which m ...