Hyundai Tucson: Ignition System / Repair procedures

Hyundai Tucson (LM) 2010-2015 Service Manual / Engine Electrical System / Ignition System / Repair procedures

On-vehicle Inspection

Inspect ignition coil assembly and Perform spark test

Check for DTCs.

•	If a DTC is present, perform troubleshooting in accordance with the procedure for that DTC. (Refer to DTC guide)

Check if sparks occur.

(1)	Remove the engine cover.

(2)	Remove the ignition coils.

(3)	Using a spark plug wrench, remove the spark plugs.

(4)	Disconnect the 4 injector connectors.

(5)	Ground the spark plug to the engine.

(6)	Check if sparks occur at each spark plug while engine is being cranked.

•	Do not crank the engine for more then 5 seonds.

3.	If sparks do not occur, perform the following test.

4.	Using a spark plug wrench, install spark plugs.

5.	Install the ignition coils.

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

Description and Operation

Description Ignition timing is controlled by the electronic control ignition timing system. The standard reference ignition timing data for the engine operating conditions are pre-pro grammed i ...

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 p ...

Other information:

Hyundai Tucson (LM) 2010-2015 Service Manual: A/C Pressure Transducer Description and Operation
Description A/C pressure transducer convert the pressure value of high pressure line into voltage value after measure it. By converted voltage value, engine ECU controls cooling fan by operating it high speed or low speed. Engine ECU stop the operation of compressor when the temperature o ...

Hyundai Tucson (LM) 2010-2015 Service Manual: Schematic Diagrams
ESC connector input/output Connector TerminalSpecificationRemarkNoDescription29IGNITION1(+)High level of wake up voltage :5.0V < V < 16.0VLow level of wake up voltage V < 2.4VMax. current : I < 50mAx25POS. BATTERY 1.(SOLENOID)Over voltage range : 17.0 ± 0.5V Operating voltage range ...