Hyundai Sonata LF: Ignition System / Repair procedures

Hyundai Sonata LF 2014-2019 Service Manual / Engine Electrical System / Ignition System / 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 procedure for that DTC. (Refer to DTC guide)
2.
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 injector extension 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 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 in the memory of the ECM (Engine Control Module)...

    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...

    Other information:

    Hyundai Sonata LF 2014-2019 Service Manual: ETC (Electronic Throttle Control) System Repair procedures


    Inspection Throttle Position Sensor (TPS) 1. Connect the GDS on the Data Link Connector (DLC). 2. Start the engine and measure the output voltage of TPS 1 and 2 at C.T. and W.O.T. Specification: Refer to “Specification” ETC Motor 1...

    Hyundai Sonata LF 2014-2019 Service Manual: DCT Control Module (TCM) Schematic Diagrams


    1. TCM Connector and Terminal Function 2. TCM Terminal Function Connector [A] PinDescriptionPinDescription1Clutch Actuator (Clutch Motor 1 (ODD)_Phase V)17-2Clutch actuator (Clutch Motor 2 (EVEN) Phase V)18Clutch Actuator (Clutch Motor 1 (ODD)_HALL 1)3Select Actuator (Shift Solenoid 2 (EVEN)_Ground)19Clutch Actuator (Clutch Motor 1 (ODD)_Supply)4Select Actuator (Shift Solenoid 1 (ODD) Push)20Select Actuator (Shift Solenoid 1 (ODD)_Sensor Supply)5Clutch Actuator (Clutch Motor 1 (ODD)_Phase U)21Select Actuator (Shift Solenoid 2 (EVEN)_Sensor Supply)6Clutch Actuator (Clutch Motor 2 (EVEN)_Phase U)22Select Actuator (Shift Solenoid 2 (EVEN)_Sensor Ouput)7Select Actuator (Shift Solenoid 1 (ODD)_Ground)23Clutch Actuator (Clutch Motor 2 (EVEN)_HALL 2)8Select Actuator (Shift Solenoid 2 (EVEN)_ Pull)24Clutch Actuator (Clutch Motor 2 (EVEN)_HALL 3)9Clutch Actuator (Clutch Motor1 (ODD)_Phase W)25Clutch Actuator (Clutch Motor 2 (EVEN)_Ground)10Clutch Actuator (Clutch Motor 2 (EVEN)_Phase W)26Select Actuator (Shift Solenoid 1 (ODD)_Sensor Output)11Select Actuator (Shift Solenoid 1 (ODD) Pull)27-12Select Actuator (Shift Solenoid 2 (EVEN) Push)28Clutch Actuator (Clutch Motor 2 (EVEN)_HALL 1)13Clutch Actuator (Clutch Motor 1 (ODD)_HALL 2)29Clutch Actuator (Clutch Motor 2 (EVEN)_Supply)14Clutch Actuator (Clutch Motor (ODD)_HALL 3)30Select Actuator (Select Solenoid 1 (ODD)_Sensor Ground)15Clutch Actuator (Clutch Motor 1 (ODD)_Ground)31Select Actuator (Select Solenoid 2 (EVEN)_Sensor Ground)16-32- Connector [B] PinDescriptionPinDescription1-35-2-36-3ON / START Input37-4Paddle Shift (Up) Switch signal38-5Inhibitor Switch "P" Input signal39-6Inhibitor Switch "R" Input signal40-7Inhibitor Switch "D" Input signal41Shift Actuator (Shift Motor 2 (EVEN) _HALL 2)8Sports mode "Down" shift42Shift Actuator (Shift Motor 2 (EVEN) _HALL 3)9Clutch Speed Sensor (EVEN) Ground43Inhibitor Switch "M" Input signal10-44CAN1 Communication Port1 High11-45CAN1 Communication Port1 Low12-46-13Shift Actuator (Shift Motor 1 (ODD) _HALL 2)47-14Shift Actuator (Shift Motor 1 (ODD) _HALL 3)48Flex ray High (BP)15-49Input Speed Supply 1 (ODD)16-50Input Speed Signal 1 (ODD)17Battery Power Low VBD 51-18Paddle Shift Down signal52-19Shift Lever Select Switch53-20Inhibitor Switch "N" Input signal54Shift Actuator (Shift Motor 2 (EVEN) _Supply)21Sports mode "Up" shift55Shift Actuator (Shift Motor 2 (EVEN) _HALL 1)22-56Shift Actuator (Shift Motor 2 (EVEN) _Sensor Ground)23Input Speed Supply 2 (EVEN)57Power Ground 1 for High Current Modules245V spare supply output58Power Ground 2 for High Current Modules25-59Shift Actuator (Shift Motor 2 (EVEN)_Phase W)26Shift Solenoid 1 Position Sensor Output60Shift Actuator (Shift Motor 1 (ODD)_Phase W)27Select Actuator (Shift Motor 1 (ODD)_HALL 1)61 Power Ground 3 for High Current Modules28Select Actuator (Shift Motor 1 (ODD)_Sensor Ground)62-29-63Shift Actuator (Shift Motor 2 (EVEN)_Phase V)30CAN2 Communication Port2 High64Shift Actuator (Shift Motor 1 (ODD)_Phase V)31CAN2 Communication Port2 Low65Motor Supply Voltage 1 from Direct Battery32-66Motor Supply Voltage 2 from Direct Battery33-67Shift Actuator (Shift Motor 2 (EVEN)_Phase U)34Flex ray bus, BM68Shift Actuator (Shift Motor 1 (ODD)_Phase U) 3...

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