Hyundai Sonata LF: Evaporative Emission Control System / Canister Repair procedures

Hyundai Sonata LF 2014-2019 Service Manual / Emission Control System / Evaporative Emission Control System / Canister Repair procedures

Removal
1.
Turn the ignition switch OFF and disconnect the negative (-) battery cable.
2.
Remove the fuel tank.
(Refer to Engine Control / Fuel System - " Fuel Tank")
3.
Disconnect the vent hose (A).
4.
Disconnect the vapor tube quick-connector (B,C).

5.
Remove installation bolts (A) and then remove the canister assembly.

Inspection
1.
Check for the following items visually.
A.
Cracks or leakage of the canister
B.
Loose connection, distortion, or damage of the vapor hose/tube

A: Canister - Atmosphere
B: Canister - Fuel Tank
C: Canister - Intake Manifold
Installation
1.
Install in the reverse order of removal.

    Repair procedures

    Inspection [System Inspection] 1. Disconnect the vapor hose from the intake manifold and connect a vacuum pump to the nipple on the intake manifold...

    Fuel Filler Cap Description and Operation

    Description A ratchet tightening device on the threaded fuel filler cap reduces the chances of incorrect installation, which would seal the fuel filler...

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    C..

    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...

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