2014 Hyundai Elantra (2.0L GDI) Service and Repair Manual

Engine and Drivetrain

• 2.0L Nu GDI (Inline 4-Cylinder, Gasoline Direct Injection, DOHC Dual CVVT)

• Complete engine overhaul and cylinder head disassembly procedures
• High-pressure fuel pump (HPFP) servicing and mechanical drive lobe timing
• Gasoline Direct Injection (GDI) fuel rail, high-pressure lines, and fuel injector diagnostics
• Ignition system service procedures and coil-on-plug diagnostics
• Engine cooling system, radiator, and water pump repairs
• Lubrication system servicing and oil pump replacement
• Exhaust and emissions control diagnostics (Catalytic converter, oxygen sensors)
• Dual Continuous Variable Valve Timing (D-CVVT) system servicing
• Timing chain inspection, alignment marks, and hydraulic tensioner replacement
• M6CF3 6-speed manual transmission overhaul procedures
• A6GF1 6-speed automatic transmission diagnostics, fluid replacement, and valve body repair
• Front wheel drive transaxle and constant velocity (CV) axle shaft servicing

Chassis and Suspension

• Front MacPherson strut and coil spring repair procedures
• Rear coupled torsion beam axle (CTBA) suspension procedures
• Motor Driven Power Steering (MDPS) column diagnostics and electronic calibration
• Wheel alignment specifications and geometric targets
• Front and rear wheel bearing and hub assembly replacement
• Front stabilizer bar and link rod replacement

Braking Systems

• Hydraulic braking system (4-wheel disc brake setup)
• Anti-lock Braking System (ABS)
• Electronic Brakeforce Distribution (EBD)
• Electronic Stability Control (ESC) and Vehicle Stability Management (VSM)
• Brake Assist System (BAS)
• Hill-start Assist Control (HAC)
• Mechanical hand-operated parking brake adjustment and shoe servicing
• Brake master cylinder and vacuum booster replacement
• Brake bleeding and air evacuation procedures

Electrical and Wiring

• Complete factory wiring diagrams and grounding points
• Battery, Smart Alternator charging, and starting systems
• Smart Junction Box (SJB) and engine compartment fuse box schematics
• Engine Control Module (ECM/PCM) diagnostics
• Controller Area Network (CAN Bus) network diagnostics
• Halogen projector headlights and LED accent lighting system diagnostics
• Instrument cluster servicing, trip computer, and Eco Shift indicator setup
• Factory audio system and optional touchscreen infotainment/navigation schematics
• Power windows, power door locks, and keyless entry/immobiliser systems

Air Conditioning and HVAC

• Climate control diagnostics
• Manual HVAC servicing
• Dual-zone automatic climate control diagnostics and auto-defogging systems
• Air conditioning compressor (variable displacement) replacement
• R-134a refrigerant evacuation and recharging procedures
• Heater core and blower motor repairs
• HVAC blend door actuator motor replacement and calibration

Body and Interior

• Interior crash pad (dashboard) and center fascia removal procedures
• Door trim, window regulators, door latches, and glass repairs
• Exterior body panel alignment, bumpers, and fender replacement
• Supplemental Restraint System (SRS) airbag servicing (Front, side, and curtain airbags)
• Airbag SRSCM (Control Module) diagnostics and clock-spring replacement
• Front and rear seat assembly, power seat switches, and heated seat elements
• Power sunroof assembly, motor replacement, and track alignment

Diagnostics and Troubleshooting

• Diagnostic Trouble Code (DTC) lookup
• Hyundai factory diagnostic workflows
• GDS (Global Diagnostic System) scan tool workflows
• Live data parameter monitoring (Current Data) interpretation
• Actuation testing for relays and solenoids
• Sensor testing specifications (Fuel Rail Pressure Sensor, MAP, Crank, Cam, Knock, and Oxygen sensors)
• Component resistance and voltage specifications
• Wiring harness connector views and terminal pinouts

Common Error Codes Covered

Engine Codes

• P0087: Fuel Rail/System Pressure – Too Low (GDI high-pressure fault)
• P0300: Random/Multiple Cylinder Misfire Detected
• P2096: Post Catalyst Fuel Trim System Too Lean (Bank 1)
• P0011: “A” Camshaft Position – Timing Over-Advanced (Bank 1 – CVVT System)
• P0442: Evaporative Emission Control System Leak Detected (Small Leak)

Transmission Codes

• P0741: Torque Converter Clutch Circuit Performance or Stuck Off
• P0711: Transmission Fluid Temperature Sensor “A” Circuit Range/Performance
• P0743: Torque Converter Clutch System Electrical Fault

ABS and Chassis Codes

• C1202: Wheel Speed Sensor Front-Right Invalid/No Signal
• C1604: ABS/ESC ECU Malfunction
• C2402: Motor-Pump Electrical Circuit Fault

Network Communication Codes

• U0100: Lost Communication With ECM/PCM
• U0101: Lost Communication With TCM
• U0001: High Speed CAN Communication Bus Malfunction

Body Control Codes

• B1602: Immobiliser Key Error / Invalid Key
• B2502: Passenger Airbag Warning Lamp Error

Fuse Box Diagram

• Engine compartment main fuse and relay box
• Passenger compartment fuse panel (located on the driver’s side lower dashboard)
• Battery terminal multi-fuse assembly block
• Fuse amperage ratings, circuit names, and protected components
• Relay locations and internal switching schematics

Wiring Diagrams

• Engine control system and Nu 2.0 GDI sensor paths (including high-pressure rail data links)
• Charging, starting, and battery saver control circuits
• Interior and exterior illumination matrixes
• ABS/ESC electronic hardware connections
• SRS Airbag firing circuits
• Audio, steering wheel controls, and USB/Aux input schematics

Serpentine Belt and Timing Chain Routing Diagrams

• Accessory drive serpentine belt routing and mechanical auto-tensioner adjustment
• Nu 2.0L timing chain removal, installation, timing mark verification, and sprocket alignment
• Variable Valve Timing (CVVT) assemblies orientation

Torque Specifications

• Engine fasteners (Cylinder head bolts, main bearing caps, connecting rod caps)
• GDI high-pressure pump fuel line unions and mounting fasteners
• Spark plug torque specification
• Crankshaft pulley center bolt torque
• Flywheel (Manual) or Drive Plate (Automatic) tightening sequences
• Suspension fasteners (Subframe bolts, strut tower nuts, rear trailing arm bolts)
• Steering link joint and outer tie-rod nuts
• Brake caliper guide pins, torque member bolts, and rotor screws
• Wheel lug nuts (88–108 Nm / 65–80 lb-ft specification)

This manual is ideal for:

• Professional automotive workshops
• Independent repair garages
• Mobile mechanics
• Automotive technicians
• Vehicle owners performing DIY repairs
• Automotive training institutions