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: Windshield defrosting and defogging
WARNING Windshield heating Do not use the or position during cooling operation in extremely humid weather. The difference between the temperature of the outside air and the windshield could cause the outer surface of the windshield to fog up, causing loss of visibility. In this case, ...

Hyundai Tucson (LM) 2010-2015 Service Manual: Thermostat Repair procedures
Removal and Installation Disassembly of the thermostat would have an adverse effect, causing a lowering of cooling efficiency. Do not remove the thermostat, even if the engine tends to overheat. 1. Drain engine coolant so its level is below thermostat. 2. Disconn ...