Hyundai Sonata LF: Heating, Ventilation and Air Conditioning / Heater

Ambient Temperature Sensor Repair procedures

Inspection 1. Check the resistance of the ambient temperature sensor between terminals 1 and 2 whether it changes by changing the ambient temperature...

Heater Unit Components and Components Location

Component Location 1. Heater unit assembly Compoents (1) 1. Mode actuator2. Mode bracket plate3. Mine link plate4. Temperature control actuator [LH]5...

Other information:

Hyundai Sonata LF 2014-2019 Service Manual: Troubleshooting

Troubleshooting Ignition System SymptomSuspect AreaRemedyEngine will not start or is hard to start (Cranks OK)Ignition lock switchInspect ignition lock switch, or replace as requiredIgnition coilInspect ignition coil, or replace as requiredSpark plugsInspect spark plugs, or replace as requiredIgnition wiring disconnected or brokenRepair wiring, or replace as requiredRough idle or stallsIgnition wiringRepair wiring, or replace as requiredIgnition coilInspect ignition coil, or replace as requiredEngine hesitates/poor accelerationSpark plugs and spark plug cablesInspect spark plugs / cable, or replace as requiredIgnition wiringRepair wiring, or replace as requiredPoor mileageSpark plugs and spark plug cablesInspect spark plugs / cable, or replace as required Charging System SymptomSuspect AreaRemedyCharging warning indicator does not light with ignition switch "ON" and engine off...

Hyundai Sonata LF 2014-2019 Service Manual: 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. · At Cold Engine [Engine Coolant Temperature < 60°C(140°F)] EngineOperatingConditionAppliedVacuumResultIdleMin...