Hyundai Sonata LF: Engine Electrical System / Cruise Control System

Starter Relay Repair procedures

Inspection 1. Turn ignition switch OFF and disconnect the negative (-) battery cable. 2. Remove the fuse box cover. 3. Remove the starter relay (A)...

Description and Operation

Description The cruise control system is engaged by the cruise "ON/OFF" main switch located on right of steering wheel column. The system has the capability to cruise, coast, accelerate and resume speed...

Other information:

Hyundai Sonata LF 2014-2019 Service Manual: Engine Control Module (ECM) Schematic Diagrams

ECM Terminal And Input/Output signal ECM Terminal Function Connector [C500-A] Pin No.DescriptionConnected to1Injector (Cylinder #3) [High] control outputInjector (Cylinder #3)2Injector (Cylinder #4) [High] control outputInjector (Cylinder #4)3Injector (Cylinder #2) [Low] control outputInjector (Cylinder #2)4Electric Waste Gate Actuator (EWGA) DC Motor output (+)Electric Waste Gate Actuator (EWGA) 5Heated Oxygen Sensor  (HO2S) [Bank 1/Sensor 1] heater control outputHeated Oxygen Sensor  (HO2S) [Bank 1/Sensor 1]6-?7-8-?9Sensor ground Electric Waste Gate Actuator (EWGA) 10-?11-?12-13-?14Cooling fan relay [High] control outputCooling fan relay [High]15CVVT Oil Control Valve (OCV) [Bank 1/Exhaust] control outputCVVT Oil Control Valve (OCV) [Bank 1/Exhaust]16Injector (Cylinder #2) [High] control outputInjector (Cylinder #2)17Injector (Cylinder #1) [High] control outputInjector (Cylinder #1)18Injector (Cylinder #3) [Low] control outputInjector (Cylinder #3)19Electric Waste Gate Actuator (EWGA) DC Motor output (-) Electric Waste Gate Actuator (EWGA) 20Heated Oxygen Sensor  (HO2S) [Bank 1/Sensor2] heater control outputHeated Oxygen Sensor  (HO2S) [Bank 1/Sensor 2]21-?22-?23Engine Coolant Temperature Sensor (ECTS) signal inputEngine Coolant Temperature Sensor (ECTS)?24Sensor groundEngine Coolant Temperature Sensor (ECTS) 25-?26Fuel Tank Pressure Sensor (FTPS) signal inputFuel Tank Pressure Sensor (FTPS)27Fuel pump relay control output (NON-Smart key type)Fuel pump relayCanister Close Valve (CCV) control output  (Smart key type)Canister Close Valve (CCV)28-?29-30-?31Ignition coil (Cylinder #3) control outputIgnition coil (Cylinder #3)32Ignition coil (Cylinder #1) control outputIgnition coil (Cylinder #1)33Injector (Cylinder #1) [Low] control outputInjector (Cylinder #1)34Fuel Pressure Control Valve (FPCV) [High] control outputFuel Pressure Control Valve (FPCV)35ETC motor [-] control outputETC motor36-?37Knock Sensor (KS) signal inputKnock Sensor (KS)38Sensor groundKnock Sensor (KS)39-40Brake Light switch signal inputBrake switch41-42-43-?44-?45CVVT Oil Control Valve (OCV) [Bank 1/Intake] control outputCVVT Oil Control Valve (OCV) [Bank 1/Intake]46Ignition coil (Cylinder #4) control outputIgnition coil (Cylinder #4)47Ignition coil (Cylinder #2) control outputIgnition coil (Cylinder #2)48Injector (Cylinder #4) [Low] control outputInjector (Cylinder #4)49Fuel Pressure Control Valve (FPCV) [Low] control outputFuel Pressure Control Valve (FPCV)50ETC motor [+] control outputETC motor51-?52Electric Waste Gate Actuator (EWGA) Feed beck signal Electric Waste Gate Actuator (EWGA) 53Brake Test switch signal inputBrake switch54-?55-56Electric load signal input [Defrost]Alternator57Alternator COM signal outputAlternator58Engine speed signal outputCluster59Cooling fan relay [Low] control outputCooling fan relay [Low] 60- Connector [C500-K] Pin No...

Hyundai Sonata LF 2014-2019 Service Manual: TPMS Sensor Description and Operation

Configuration State 1. Driving state Sensor transmissions occur every 1 minutes and pressure is measured every 15 seconds. 2. Stationary state Sensor transmissions does not occur and pressure is measured every 60 seconds. 3. Auto learning status When driving after stopping more than 15 minutes , sensor transmissions occur every 33 seconds and pressure is measured every 10...