Contents Wiring diagrams Section: Electrical Component Locations All sections

Electrical Component Locator: Other Hyundai Sonata IV

BUZZERS, RELAYS & TIMERS

ComponentComponent Location
A/C RelayIn engine compartment junction block.
Burglar Alarm RelayIn passenger compartment relay box.
Chime BellBehind left side of dash.
Condenser Fan RelayIn engine compartment junction block.
Condenser Fan Relay (High-1)In engine compartment junction block.
Condenser Fan Relay (High-2)In engine compartment junction block.
Defogger RelayIn passenger compartment junction block.
Door Lock Relay No. 1In passenger compartment junction block.
Door Lock Relay No. 2In passenger compartment junction block.
ECM Control RelayBehind dash, on right side of center support bracket.
Flasher Unit (w/Anti-Theft)In passenger compartment relay box.
Flasher Unit (w/o Anti-Theft)Behind left side of dash.
Front Foglight RelayIn engine compartment junction block.
Fuel Pump RelayBehind center console, below radio.
Hazard RelayIn passenger compartment relay box.
Headlight Relay (High)In engine compartment junction block.
Headlight Relay (Low)In engine compartment junction block.
High Blower RelayBehind right side of dash, below blower assembly.
Horn RelayIn engine compartment junction block.
Power Window RelayIn passenger compartment junction block.
Radiator Fan RelayIn engine compartment junction block.
Radiator Fan Relay (High-1)In engine compartment junction block.
Radiator Fan Relay (High-2)In engine compartment junction block.
Radiator Fan Relay (Low)In engine compartment junction block.
Start RelayIn engine compartment junction block.
Sun Roof RelayAt front of sun roof opening.
Taillight RelayIn passenger compartment junction block.
Wiper Motor RelayIn engine compartment junction block.

BUZZERS, RELAYS & TIMERS

CIRCUIT PROTECTION DEVICES

ComponentComponent Location
Engine Compartment Junction BlockAt left front corner of engine compartment.
Passenger Compartment Junction BlockBehind left side of dash.
Passenger Compartment Relay BoxBehind left side of dash.

CIRCUIT PROTECTION DEVICES

CONTROL UNITS

ComponentComponent Location
ABS Control ModuleAt right rear side of engine compartment, on strut tower.
A/C Control ModuleBehind center of dash.
Cruise Control ModuleAt right side of engine compartment, on strut tower.
DRL Control ModuleAt right side of engine compartment, forward of strut tower.
Electronic Power Steering Control ModuleBehind center of dash.
Electronic Time & Alarm Control Module (ETACM)In passenger compartment junction block.
Engine Control Module (ECM) (2.5L)Behind lower center of dash.
Engine Control Module (ECM) (M/T) (2.4L)Behind lower center of dash.
Engine/Transmission Control Module (E/TCM) (A/T) (2.4L)Behind lower center of dash.
Keyless Entry Control ModuleBehind lower center of dash.
SRS Control ModuleUnder floor console, rear of parking brake lever.
Transmission Control Module (2.5L)Behind lower center of dash.

CONTROL UNITS

MOTORS

ComponentComponent Location
Blend Door ActuatorBehind center of dash, on left end of HVAC housing.
Blower MotorBehind right side of dash, on bottom of HVAC housing.
Condenser Fan MotorBehind right side of radiator.
Fuel Sender & Fuel Pump MotorOn top of fuel tank.
Idle Speed Control Actuator (2.4L)On throttle body assembly. (Схема №5)
Idle Speed Control Actuator (2.5L)On throttle body assembly.
Intake ActuatorBehind right side of dash, on right end of HVAC housing.
Radiator Fan MotorBehind left side of radiator.
Sun Roof MotorAt front of sun roof opening.
Temperature ActuatorBehind right side of dash, on evaporator unit.
Washer MotorAt bottom of washer reservoir.
Wiper MotorOn left side of firewall.

MOTORS

SENDING UNITS & SENSORS

ComponentComponent Location
Air Temperature Sensor (2.5L)Near upper left side of intake manifold.
Ambient Temperature SensorBehind front bumper, near hood latch.
Blower RelayBehind right kick panel.
Brake Fluid Level SensorIn brake fluid reservoir.
Camshaft Position (CMP) Sensor (2.4L)On right front of cylinder head. (Схема №1)
Camshaft Position (CMP) Sensor (2.5L)On front of left cylinder head.
Crankshaft Position (CKP) Sensor (2.4L)On front of engine, above crankshaft sprocket. (Схема №7)
Crankshaft Position (CKP) Sensor (2.5L)On front of left cylinder head.
Engine Coolant Temperature (ECT) Sensor (2.4L)On front of cylinder head, above coolant outlet.
Engine Coolant Temperature (ECT) Sensor (2.5L)At front of engine, on water jacket.
Front Oxygen Sensor (Bank 1/Sensor 1) (2.5L)On bottom of right exhaust manifold.
Front Oxygen Sensor (Bank 2/Sensor 1) (2.5L)Near top of left exhaust manifold.
Front Oxygen Sensor (California) (2.4L)On exhaust manifold.
Front Oxygen Sensor (Except California) (2.4L)On front exhaust pipe, upstream of catalytic converter.
Fuel Sender & Fuel Pump MotorOn top of fuel tank.
Fuel Tank Pressure SensorUnder rear of vehicle, above rear crossmember.
Ignition Failure Sensor (2.4L)On top front of engine. (Схема №5)
Knock Sensor (2.4L)On left side of engine block.
Knock Sensor No. 1 (2.5L)On engine block.
Knock Sensor No. 2 (2.5L)On engine block.
Manifold Absolute Pressure Sensor (2.4L)On left side of intake manifold. (Схема №5)
Mass Airflow SensorAt left side of engine compartment, in air duct.
Photo SensorOn top center of dash.
Rear Oxygen Sensor (Bank 1/Sensor 2) (2.5L)On bottom of right exhaust manifold downpipe.
Rear Oxygen Sensor (Bank 2/Sensor 2) (2.5L)On front exhaust pipe, upstream of catalytic converter.
Rear Oxygen Sensor (California) (2.4L)On outlet of front catalytic converter.
Rear Oxygen Sensor (Except California) (2.4L)On center exhaust pipe, downstream of catalytic converter.
Throttle Position Sensor (2.4L)On throttle body assembly. (Схема №5)
Throttle Position Sensor (2.5L)On throttle body assembly.
Vehicle Speed Sensor (2.4L)On bottom of transaxle.
Vehicle Speed Sensor (2.5L)On top of transaxle. (Схема №10)
Water Temperature SensorBehind right side of dash, on heater core cover.

SENDING UNITS & SENSORS

SOLENOIDS & SOLENOID VALVES

ComponentComponent Location
ATM Solenoid AssemblyIn transaxle valve body.
Canister Close ValveUnder left rear of vehicle.
EGR Solenoid Valve (2.4L)On top left side of engine. (Схема №6)
Electronic Power Steering SolenoidOn power steering gear box.
Purge Control Solenoid Valve (2.4L)On lower front of intake manifold. (Схема №3)
Purge Control Solenoid Valve (2.5L)Near top left side of intake manifold. (Схема №9)

SOLENOIDS & SOLENOID VALVES

SWITCHES

ComponentComponent Location
Back-Up Light Switch (M/T)On top of transaxle.
Cruise Clutch Pedal Position SwitchOn clutch pedal bracket.
Hood SwitchAt right front corner of engine compartment.
Oil Pressure Switch (2.4L)On right side of engine block.
Oil Pressure Switch (2.5L)Near base of oil filter.
Parking Brake SwitchAt base of parking brake lever.
Power Steering Pressure Switch (2.4L)At right front corner of engine compartment.
Seat Belt SwitchIn driver's seat belt buckle.
Starter Clutch Pedal Position Switch (M/T)On clutch pedal bracket.
Stoplight SwitchOn brake pedal bracket.
Thermostatic SwitchBehind right side of dash, on evaporator unit.
Transaxle Range SwitchOn top of transaxle. (Схема №4)
Triple SwitchOn right side of A/C condenser, on top of receiver-drier assembly.

SWITCHES

MISCELLANEOUS

ComponentComponent Location
A/T Pulse Generator "A"On top of transaxle. (Схема №2)
A/T Pulse Generator "B"On top of transaxle. (Схема №2)
Blower ResistorBehind right side of dash, on HVAC housing.
Data Link Connector (DLC)Under dash, to right of steering column.
DRL ResistorAt right side of engine compartment, forward of strut tower.
Ignition Coil (2.5L)On top front of engine.
Ignition Coil No. 1 (2.4L)On top front of engine. (Схема №8)
Ignition Coil No. 2 (2.4L)On top rear of engine. (Схема №8)
Junction Connector (C41, C42)On top front of engine.
Junction Connector (D12, D13)In driver's door.
Junction Connector (I06)Behind right side of dash.
Junction Connector (I20, I22)Behind instrument cluster.
Junction Connector (M39)Behind left side of dash.
Junction Connector (M67)On right side of left front floor panel.
Power TransistorBehind right side of dash, on right end of HVAC housing.
Pre-Excitation ResistorIn passenger compartment junction block.
SirenAt right front corner of vehicle.

MISCELLANEOUS

CONNECTORS

ComponentComponent Location
EC01 (22-Pin)Under left side of dash.
EM01 (20-Pin)Under left side of dash.
EM02 (22-Pin)Under left side of dash.
EM03 (2-Pin)Under left side of dash.
EM04 (2-Pin)At right front of engine compartment.
MC01 (18-Pin)Under left side of dash.
MC02 (4-Pin)Under left side of dash.
MC03 (2-Pin)Under left side of dash.
MD01-1 (8-Pin)In left front door jamb.
MD01-2 (3-Pin)In left front door jamb.
MD02-1 (8-Pin)In right front door jamb.
MD02-2 (3-Pin)In right front door jamb.
MI01 (2-Pin)Behind glove box.
MI02 (8-Pin)Behind instrument cluster.
MI03 (22-Pin)Behind instrument cluster.
MI04 (22-Pin)Behind instrument cluster.
MI05 (20-Pin)Behind instrument cluster.
MM02 (3-Pin)Under center of dash.
MM03 (14-Pin)Under right side of dash.
MM04 (3-Pin)Under left side of dash.
MR01 (2-Pin)In left front of luggage compartment.
MR02 (3-Pin)In left front of luggage compartment.
MR03 (10-Pin)In left front of luggage compartment.
MR05 (12-Pin)In left front of luggage compartment.

CONNECTORS

GROUNDS

ComponentComponent Location
G01On inner fender panel, at right front of engine compartment.
G02On left inner fender panel, at front of engine compartment.
G03Under dash, right of steering column, above transmission control module.
G04Under right front kick panel.
G05Under left front kick panel.
G06 (3-Door)In left rear of luggage compartment.
G06 (4-Door)At left upper panel, behind rear seat back.
G08Under left front kick panel.
G09Under left front kick panel.
G11In engine compartment, above surge tank.
G13Under right front kick panel.
G14Under center console, beneath SRS control module.
G15At upper left side panel, under rear seat back.
G19Under tailgate trim, above rear wiper motor.

GROUNDS