Repair and Diagnosis

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• Quick Lookups
  • Common Specs & Procedures (Except HEV)
  • DTC Index (Except HEV)
  • Electrical Component Locations
    • Component Locations (Except HEV)
  • Fluids
  • Technical Bulletins
    • Campaigns
    • Safety Recalls
    • Technical Service Bulletins
  • Tire Fitment
  • Wiring Diagrams
    • System Wiring Diagrams
    • Using lemon2025'S System Wiring Diagrams
• Accessories & Equipment
  • Anti-Theft Systems
    • Fuel Filler Door - Inspection (Except HEV)
    • HYUNDAI Digital Key System (Except HEV)
    • Identity Authentication Unit Diagnosis (Except HEV)
    • Immobilizer Diagnosis (Except HEV)
    • Immobilizer System (Except HEV)
    • Keyless Entry And Burglar Alarm (Except HEV)
    • Power Door Locks (Except HEV)
    • Smart Key Code Saving Diagnosis (Except HEV)
    • Smart Key Diagnosis (Except HEV)
    • Smart Key System (Except HEV)
  • Collision/Avoidance
    • Advanced Driver Assistance System (ADAS) - General Information (Except HEV)
    • Advanced Driver Parking Assistance Systems Diagnosis (Except HEV)
    • Front Radar System (Except HEV)
    • Front Radar System Diagnosis (Except HEV)
    • Front View Camera Diagnosis (Except HEV)
    • Front View Camera System (Except HEV)
    • Parking Distance Warning (PDW) (Except HEV)
    • Rear Corner Radar System (Except HEV)
    • Rear Corner Radar-Left Diagnosis (Except HEV)
    • Rear Corner Radar-Right Diagnosis (Except HEV)
    • Rear View Monitor (RVM) (Except HEV)
    • Rear View Monitor Diagnosis (Except HEV)
    • Surround View Monitor (SVM) System (Except HEV)
  • Communication Devices
    • BCM Diagnosis (Except HEV)
    • Cluster Module Diagnosis (Except HEV)
    • Driver Door Module Diagnosis (Except HEV)
    • Integrated Body Control Unit (IBU) (Except HEV)
    • Integrated Central Control Unit Diagnosis (Except HEV) (1 Of 2)
    • Integrated Central Control Unit Diagnosis (Except HEV) (2 Of 2)
    • Power Seat Module Diagnosis (Except HEV)
  • Drivers Assistance Systems - ADAS
    • Advanced Driver Assistance System (ADAS) - General Information (Except HEV)
    • Advanced Driver Parking Assistance Systems Diagnosis (Except HEV)
    • Front Radar System (Except HEV)
    • Front Radar System Diagnosis (Except HEV)
    • Front View Camera Diagnosis (Except HEV)
    • Front View Camera System (Except HEV)
    • Parking Distance Warning (PDW) (Except HEV)
    • Rear Corner Radar System (Except HEV)
    • Rear Corner Radar-Left Diagnosis (Except HEV)
    • Rear Corner Radar-Right Diagnosis (Except HEV)
    • Rear View Monitor (RVM) (Except HEV)
    • Rear View Monitor Diagnosis (Except HEV)
    • Surround View Monitor (SVM) System (Except HEV)
  • Entertainment Systems
    • Amplifier Diagnosis (Except HEV)
    • Around View Monitor Diagnosis (Except HEV)
    • Audio System (Except HEV)
    • Audio Video Navigation Diagnosis (Except HEV)
    • Audio/Video/Navigation (AVN) System (Except HEV)
  • Exterior Lights
    • Auto Lighting Control System (Except HEV)
    • Daytime Running Lights (Except HEV)
    • Lighting System (Except HEV)
  • Gauges & Instrument Panels
    • Crash Pad (Except HEV)
    • Head Up Display Diagnosis (Except HEV)
    • Head Up Display System (Except HEV)
    • Indicators And Gauges (Except HEV)
  • Headlights
    • Auto Head Lamp Leveling Device (Except HEV)
    • Auto Lighting Control System (Except HEV)
    • Lighting System (Except HEV)
  • Heated Glass/Defoggers
    • Rear Glass Defogger System (Except HEV)
  • Horns
    • Horn (Except HEV)
  • Ignition Switch/Steering Lock
    • Button Engine Start System (Except HEV)
    • Ignition Switch Assembly (Except HEV)
  • Infotainment
    • Amplifier Diagnosis (Except HEV)
    • Around View Monitor Diagnosis (Except HEV)
    • Audio System (Except HEV)
    • Audio Video Navigation Diagnosis (Except HEV)
    • Audio/Video/Navigation (AVN) System (Except HEV)
  • Interior/Exterior Trim
    • Body Side Molding (Except HEV)
    • Cowl Top Cover (Except HEV)
    • Crash Pad (Except HEV)
    • Floor Carpet (Except HEV)
    • Floor Console (Except HEV)
    • Interior Trim (Except HEV)
    • Roof Trim (Except HEV)
  • Interior/Illumination Lights
    • Lighting System (Except HEV)
    • Mood Lamp Module Diagnosis (Except HEV)
  • Memory Modules
    • Integrated Memory System (IMS) (Except HEV)
  • Mirrors
    • Body Interior And Exterior - General Information (Except HEV)
    • Electro Chromic Inside Rear View Mirror (Except HEV)
    • Mirrors (Except HEV)
    • Power Door Mirrors (Except HEV)
  • Seats
    • Front Seat Assembly (Except HEV)
    • Integrated Memory System (IMS) (Except HEV)
    • Power Seat Module Diagnosis (Except HEV)
    • Rear Seat Assembly (Except HEV)
    • Seat Electrical (Except HEV)
    • Seat Heater Ventilation Control Unit (Front) Diagnosis (Except HEV)
    • Seat Heater Ventilation Control Unit (Rear) Diagnosis (Except HEV)
  • Steering Column Switches
    • MULTIFUNCTION Switch (Except HEV)
    • MULTIFUNCTION Switch Diagnosis (Except HEV)
  • Window Motors & Regulators
    • Power Windows (Except HEV)
    • Quarter Fixed Glass (Except HEV)
    • Rear Window Glass (Except HEV)
    • Windshield Glass (Except HEV)
  • Wiper/Washer Systems
    • Windshield Wiper/Washer System (Except HEV)
• Body & Frame
  • Door Locks
    • Fuel Filler Door - Inspection (Except HEV)
    • HYUNDAI Digital Key System (Except HEV)
    • Identity Authentication Unit Diagnosis (Except HEV)
    • Immobilizer Diagnosis (Except HEV)
    • Immobilizer System (Except HEV)
    • Keyless Entry And Burglar Alarm (Except HEV)
    • Power Door Locks (Except HEV)
    • Smart Key Code Saving Diagnosis (Except HEV)
    • Smart Key Diagnosis (Except HEV)
    • Smart Key System (Except HEV)
  • Exterior Body Panels
    • Body Interior And Exterior - General Information (Except HEV)
    • Fender (Except HEV)
    • Front Bumper And Radiator Grille (Except HEV)
    • Front Door Assembly (Except HEV)
    • Fuel Filler Door - Replacement (Except HEV)
    • Hood Assembly (Except HEV)
    • Rear Bumper (Except HEV)
    • Rear Door Assembly (Except HEV)
    • Trunk Lid Assembly (Except HEV)
  • Exterior/Interior Trim
    • Body Side Molding (Except HEV)
    • Cowl Top Cover (Except HEV)
    • Crash Pad (Except HEV)
    • Floor Carpet (Except HEV)
    • Floor Console (Except HEV)
    • Interior Trim (Except HEV)
    • Roof Trim (Except HEV)
  • Ignition Switch/Steering Lock
    • Button Engine Start System (Except HEV)
    • Ignition Switch Assembly (Except HEV)
  • Mirrors
    • Body Interior And Exterior - General Information (Except HEV)
    • Electro Chromic Inside Rear View Mirror (Except HEV)
    • Mirrors (Except HEV)
    • Power Door Mirrors (Except HEV)
  • Seats
    • Front Seat Assembly (Except HEV)
    • Integrated Memory System (IMS) (Except HEV)
    • Power Seat Module Diagnosis (Except HEV)
    • Rear Seat Assembly (Except HEV)
    • Seat Electrical (Except HEV)
    • Seat Heater Ventilation Control Unit (Front) Diagnosis (Except HEV)
    • Seat Heater Ventilation Control Unit (Rear) Diagnosis (Except HEV)
  • Sun Roof/T-Top/Convertible Top
    • Panorama Sunroof - Inspection (Except HEV)
    • Panorama Sunroof - Replacement (Except HEV)
  • Windows
    • Power Windows (Except HEV)
    • Quarter Fixed Glass (Except HEV)
    • Rear Window Glass (Except HEV)
    • Windshield Glass (Except HEV)
• Brakes
  • Anti-Lock Brakes
    • Abs Diagnosis (Except HEV) (1 Of 2)
    • Abs Diagnosis (Except HEV) (2 Of 2)
    • Electronic Stability Control (ESC) System (Except HEV)
  • Mechanical - Hydraulic
    • Brake System - General Information (Except HEV)
    • Brake System (Except HEV)
  • Parking Brake System (Except HEV)
  • Traction Control
    • Abs Diagnosis (Except HEV) (1 Of 2)
    • Abs Diagnosis (Except HEV) (2 Of 2)
    • Electronic Stability Control (ESC) System (Except HEV)
• Drivelines & Axles
  • Axle Shafts
    • Driveshaft And Axle - General Information (Except HEV)
    • Driveshaft Assembly (Except HEV)
  • Wheel Hubs
    • Front Axle Assembly (Except HEV)
    • Rear Axle Assembly (Except HEV)
• Electrical
  • Body Electrical
    • Body Electrical System - General Information (Except HEV)
    • Rear Occupant Alert (Except HEV)
    • Wireless Power Charger Diagnosis (Except HEV)
    • Wireless Power Charger System (Except HEV)
  • Charging Systems
    • Charging System - 2.5L (Except HEV)
    • Engine Electrical System - General Information - 2.5L (Except HEV)
    • Wireless Power Charger Diagnosis (Except HEV)
  • Component Locations (Except HEV)
  • Fuses & Circuit Breakers
    • Fuses And Relays (Except HEV)
  • Gauges
    • Crash Pad (Except HEV)
    • Head Up Display Diagnosis (Except HEV)
    • Head Up Display System (Except HEV)
    • Indicators And Gauges (Except HEV)
  • Horns
    • Horn (Except HEV)
  • Motors, Switches, Relays
    • Body Electrical System - General Information (Except HEV)
    • Rear Occupant Alert (Except HEV)
    • Wireless Power Charger Diagnosis (Except HEV)
    • Wireless Power Charger System (Except HEV)
  • Starter
    • Engine Electrical System - General Information - 2.5L (Except HEV)
    • Engine Starting System - 2.5L (Except HEV)
  • Wiring Diagrams
    • System Wiring Diagrams
    • Using lemon2025'S System Wiring Diagrams
• Engine Mechanical
  • Accessory Drive Belts
    • Timing System - 2.5L (Except HEV)
  • Auxiliary Emission Control Systems
    • Crankcase Emission Control System - 2.5L (Except HEV)
    • Emission Control System - General Information - 2.5L (Except HEV)
    • Evaporative Emission Control System - 2.5L (Except HEV)
    • Exhaust Emission Control System - 2.5L (Except HEV)
  • Cooling Fan
    • Engine Cooling System - 2.5L (Except HEV)
  • Cooling System (Mechanical)
    • Engine Cooling System - 2.5L (Except HEV)
  • Intake And Exhaust System - 2.5L (Except HEV)
  • Fuel System
    • Engine Control/Fuel System - General Information - 2.5L (Except HEV)
    • Fuel Delivery System - 2.5L (Except HEV)
  • Lubrication System - 2.5L (Except HEV)
  • Mechanical
    • Cylinder Block - 2.5L (Except HEV)
    • Cylinder Head Assembly - 2.5L (Except HEV)
    • Engine And Transaxle Assembly (R & I) - 2.5L (Except HEV)
    • Engine Mechanical System - General Information - 2.5L (Except HEV)
    • Intake And Exhaust System - 2.5L (Except HEV)
    • Timing System - 2.5L (Except HEV)
  • Starter
    • Engine Electrical System - General Information - 2.5L (Except HEV)
    • Engine Starting System - 2.5L (Except HEV)
• Engine Performance
  • Emissions
    • EGR Function Testing - HYUNDAI
    • Emission Applications
    • Emission Control Abbreviations
    • State Emission Standards - Diesel
    • State Emission Standards - Gas
  • Engine Control Systems
    • Engine Control System - 2.5L (Except HEV)
    • Engine Control/Fuel System - General Information - 2.5L (Except HEV)
    • Idle Stop & Go (ISG) System - 2.5L (Except HEV)
  • Fuel Delivery
    • Engine Control/Fuel System - General Information - 2.5L (Except HEV)
    • Fuel Delivery System - 2.5L (Except HEV)
  • Ignition System
    • Engine Electrical System - General Information - 2.5L (Except HEV)
    • Ignition System - 2.5L (Except HEV)
  • Specifications
    • Firing Order & Cylinder Identification (Except HEV)
  • System
    • Engine Control System Diagnosis - 2.5L (1 Of 13) (Except HEV)
    • Engine Control System Diagnosis - 2.5L (10 Of 13) (Except HEV)
    • Engine Control System Diagnosis - 2.5L (11 Of 13) (Except HEV)
    • Engine Control System Diagnosis - 2.5L (12 Of 13) (Except HEV)
    • Engine Control System Diagnosis - 2.5L (13 Of 13) (Except HEV)
    • Engine Control System Diagnosis - 2.5L (2 Of 13) (Except HEV)
    • Engine Control System Diagnosis - 2.5L (3 Of 13) (Except HEV)
    • Engine Control System Diagnosis - 2.5L (4 Of 13) (Except HEV)
    • Engine Control System Diagnosis - 2.5L (5 Of 13) (Except HEV)
    • Engine Control System Diagnosis - 2.5L (6 Of 13) (Except HEV)
    • Engine Control System Diagnosis - 2.5L (7 Of 13) (Except HEV)
    • Engine Control System Diagnosis - 2.5L (8 Of 13) (Except HEV)
    • Engine Control System Diagnosis - 2.5L (9 Of 13) (Except HEV)
  • Testing & Diagnosis
    • Engine Control System Diagnosis - 2.5L (1 Of 13) (Except HEV)
    • Engine Control System Diagnosis - 2.5L (10 Of 13) (Except HEV)
    • Engine Control System Diagnosis - 2.5L (11 Of 13) (Except HEV)
    • Engine Control System Diagnosis - 2.5L (12 Of 13) (Except HEV)
    • Engine Control System Diagnosis - 2.5L (13 Of 13) (Except HEV)
    • Engine Control System Diagnosis - 2.5L (2 Of 13) (Except HEV)
    • Engine Control System Diagnosis - 2.5L (3 Of 13) (Except HEV)
    • Engine Control System Diagnosis - 2.5L (4 Of 13) (Except HEV)
    • Engine Control System Diagnosis - 2.5L (5 Of 13) (Except HEV)
    • Engine Control System Diagnosis - 2.5L (6 Of 13) (Except HEV)
    • Engine Control System Diagnosis - 2.5L (7 Of 13) (Except HEV)
    • Engine Control System Diagnosis - 2.5L (8 Of 13) (Except HEV)
    • Engine Control System Diagnosis - 2.5L (9 Of 13) (Except HEV)
  • Tune-Up
    • Engine Electrical System - General Information - 2.5L (Except HEV)
    • Ignition System - 2.5L (Except HEV)
• General Information
  • Abbreviations
    • Commonly Used Abbreviations - General Information
    • Emission Control Abbreviations
  • Basic Trouble Shooting
    • Basic Trouble Shooting - General Information
    • Commonly Used Abbreviations - General Information
    • Emission Control Abbreviations
    • Engine Performance - Trouble Shooting - General Information
  • Brakes
    • Anti-Lock Brake Safety Precautions - General Information
    • Map - Brake Systems
    • Map - Routine Inspection Reference Guide
  • Check Lists
    • Symptom Check List Worksheet - General Information
  • Driveline/Axles
    • Drive Axle Noise Diagnosis - General Information
    • Gear Tooth Contact Patterns - General Information
    • Map - Drive Train & Transmission
    • Trouble Shooting - Clutches - General Information
  • DTC Index (Except HEV)
  • Electrical
    • Map - Electrical Systems
    • Using lemon2025'S System Wiring Diagrams
  • Engine
    • Engine Overhaul Procedures - General Information
    • General Cooling System Service - General Information
  • Engine Performance
    • Electrostatic Discharge Warning - General Information
    • Engine Performance Diagnostic Routine Outline - General Information
    • Engine Performance Safety Precautions
    • Map - Engine Performance & Maintenance
    • Parasitic Load Explanation & Test Procedures - General Information
    • State Emission Standards - Diesel
    • State Emission Standards - Gas
    • Waveforms - Injector Pattern Tutorial - General Information
  • Map - Exhaust Systems
  • Heating, Ventilation & A/C (HVAC)
    • Map - Heating, Ventilation, & Air Conditioning
  • Hoist/Jack
    • General Information (Except HEV)
  • Identification
    • CANADIAN Model Cross-Reference
    • General Information (Except HEV)
  • Metric Conversions
    • Engine Displacement Conversion Table - ECAT
    • Metric Conversions
  • OEM General Information
    • Automatic Stop/Start Disable
    • General Information (Except HEV)
  • Reset Procedures
    • Maintenance Reminder Light (Reset Procedures)
    • Tire Pressure Monitor Systems
  • Specifications Index
    • Common Specs & Procedures (Except HEV)
  • Steering
    • Map - Steering, Suspension, Wheel Alignment, Wheels & Tires
    • Wheel Alignment Theory & Operation - General Information
  • Towing
    • General Information (Except HEV)
  • Traction Control Disable Procedures
  • Trouble Shooting - Manual Transmission - General Information
• Heating, Ventilation & A/C (HVAC)
  • A/C Compressor
    • Air Conditioning System (Except HEV)
    • Heating, Ventilation And Air Conditioning - General Information (Except HEV)
  • General Servicing
    • Air Conditioning System (Except HEV)
    • Cabin Air Filter
    • Heating, Ventilation And Air Conditioning - General Information (Except HEV)
  • HVAC Control Systems
    • Air Conditioning System (Except HEV)
    • Air Conditioning System Diagnosis (Except HEV)
    • Blower System (Except HEV)
    • Heater And A/C Control Unit (Except HEV)
    • Heater System (Except HEV)
    • Heating, Ventilation And Air Conditioning - General Information (Except HEV)
    • Seat Heater Ventilation Control Unit (Front) Diagnosis (Except HEV)
    • Seat Heater Ventilation Control Unit (Rear) Diagnosis (Except HEV)
• Maintenance
  • Maintenance Reminder Light (Reset Procedures)
• Restraints
  • Air Bag, SRS
    • Airbag Modules And Clock Spring (Except HEV)
    • Airbag System Diagnosis (Except HEV) (1 Of 3)
    • Airbag System Diagnosis (Except HEV) (2 Of 3)
    • Airbag System Diagnosis (Except HEV) (3 Of 3)
    • Occupant Classification System Diagnosis (Except HEV)
    • Restraints - General Information (Except HEV)
    • Supplemental Restraint System Control Module (SRSCM) And Sensors (Except HEV)
  • Passive Restraints
    • Body Interior And Exterior - General Information (Except HEV)
    • Front Seat Belt (Except HEV)
    • Rear Seat Belt (Except HEV)
    • Seat Belt PRETENSIONER (Except HEV)
• Steering
  • Electronic Steering
    • Motor Driven Power Steering System (Except HEV)
    • Motor Driven Power Steering System Diagnosis (Except HEV)
  • Manual Steering
    • Steering System - General Information (Except HEV)
  • Power Steering
    • Steering System - General Information (Except HEV)
  • Steering Column
    • Steering System - General Information (Except HEV)
    • Steering Wheel (Except HEV)
  • Steering Control Systems
    • Steering System - General Information (Except HEV)
    • Steering Wheel (Except HEV)
  • Steering Gear
    • Steering System - General Information (Except HEV)
  • Steering Linkage
    • Steering System - General Information (Except HEV)
• Suspension
  • Front Suspension
    • Front Suspension System (Except HEV)
    • Suspension System - General Information (Except HEV)
  • Rear Suspension
    • Rear Suspension System (Except HEV)
    • Suspension System - General Information (Except HEV)
  • Wheel Alignment
    • HYUNDAI Wheel Alignment Specifications - Sonata
    • Suspension System - General Information (Except HEV)
    • Tires/Wheels/Alignment (Except HEV)
  • Wheels & Tire System
    • Suspension System - General Information (Except HEV)
    • Tire Pressure Monitoring System (Except HEV)
    • Tires/Wheels/Alignment (Except HEV)
    • TPMS Diagnosis (Except HEV)
• Transmission
  • Automatic Trans
    • Automatic Transaxle Control System - 2.5L (Except HEV)
    • Automatic Transaxle Cooling System - 2.5L (Except HEV)
    • Automatic Transaxle Diagnosis (Except HEV)
    • Automatic Transaxle System - 2.5L (Except HEV)
    • Automatic Transaxle System - General Information - 2.5L (Except HEV)
    • E-Shifter Diagnosis (Except HEV)
    • Engine And Transaxle Assembly (R & I) - 2.5L (Except HEV)
    • Hydraulic System - 2.5L (Except HEV)
    • SBW Control Unit Diagnosis (Except HEV)
  • Transmission Control Systems
    • Automatic Transaxle Control System - 2.5L (Except HEV)
    • E-Shifter Diagnosis (Except HEV)
    • SBW Control Unit Diagnosis (Except HEV)
• External Pages