Contents Wiring diagrams Section: Electrical Component Locations All sections

Electrical Component Locator: Other Kia Optima I

BUZZERS, RELAYS & TIMERS

ComponentComponent Location
Aircon RelayIn engine compartment fuse/relay box.
A/T Control Relay (2.5L)Behind lower center of dash.
ATM Control RelayBehind lower center of dash.
Blower RelayBehind right side of dash.
Condenser Fan High Relay No. 1In engine compartment fuse/relay box.
Condenser Fan High Relay No. 2In engine compartment fuse/relay box.
Condenser Fan Low RelayIn engine compartment fuse/relay box.
Cooling Fan High Relay No. 1In engine compartment fuse/relay box.
Cooling Fan High Relay No. 2In engine compartment fuse/relay box.
Cooling Fan Low RelayIn engine compartment fuse/relay box.
Door Lock RelayOn junction block.
Door Unlock RelayOn junction block.
ECM Control Relay (2.4L)Behind right side of dash.
Front Fog Lamp RelayIn engine compartment fuse/relay box.
Fuel Pump Relay (2.5L)Behind right side of dash.
Headlight High RelayIn engine compartment fuse/relay box.
Headlight Low RelayIn engine compartment fuse/relay box.
High Blower RelayBehind right end of dash.
Horn RelayIn engine compartment fuse/relay box.
Main RelayBehind right side of dash.
Power Window RelayOn junction block.
Rear Defroster RelayOn junction block.
Starter RelayIn engine compartment fuse/relay box.
Sun Roof RelayAt center front of roof.
Taillamp RelayOn junction block.
Wiper RelayIn engine compartment fuse/relay box.

BUZZERS, RELAYS & TIMERS LOCATION

CIRCUIT PROTECTION DEVICES

ComponentComponent Location
Engine Compartment Fuse/Relay BoxAt left side of engine compartment.
Junction BlockBehind left side of dash.

CIRCUIT PROTECTION DEVICES LOCATION

CONTROL UNITS

ComponentComponent Location
ABS Control UnitAt right rear of engine compartment.
Air Bag Control UnitAt lower center of dash, on floor tunnel.
Cruise Control UnitAt right rear corner of engine compartment.
DRL UnitAt right front side of engine compartment.
Engine Control Module (2.4L M/T & 2.5L)Behind lower center of dash.
Engine/Transaxle Control Module (2.4L A/T)Behind lower center of dash.
EPS UnitBehind lower center of dash.
ETACS ModuleOn junction block.
Keyless Entry UnitBehind lower center of dash.
Transaxle Control Module (2.5L A/T)Behind lower center of dash.

CONTROL UNITS LOCATION

MOTORS

ComponentComponent Location
Blower MotorBehind right side of dash.
Condenser Fan MotorBehind right side of radiator.
Intake ActuatorBehind right end of dash.
Mode ActuatorBehind center of dash.
Radiator Fan MotorBehind left side of radiator.
Sun Roof MotorAt center front of roof.
Temp ActuatorBehind right side of dash.
Washer MotorAt right front of engine compartment.
Wiper MotorOn left side of firewall.

MOTORS LOCATION

SENDING UNITS & SENSORS

ComponentComponent Location
Air Quality Sensor (AQS)At lower front center of vehicle.
Air Temperature Sensor (2.5L)On intake manifold. (Схема №2)
Ambient SensorIn front of condenser fan shroud.
Brake Fluid Level SensorOn brake master cylinder reservoir assembly.
Camshaft Position Sensor (2.4L)On rear of cylinder head.
Camshaft Position Sensor (2.5L)On rear of right cylinder head. (Схема №2)
Crank Angle Sensor (2.4L)On front of engine. (Схема №1)
Crankshaft Position Sensor (2.5L)On front of engine, next to crankshaft sprocket. (Схема №2)
Engine Coolant Temperature Sensor (2.4L)On rear of engine. (Схема №1)
Engine Coolant Temperature Sensor (2.5L)At top rear of engine, on engine coolant outlet fitting. (Схема №2)
Evaporator SensorBehind right side of dash.
Humidity SensorUnder center rear of vehicle.
Knock Sensor (2.4L)On side of engine block.
Knock Sensor 1 (2.5L)On engine block.
Knock Sensor 2 (2.5L)On engine block.
MAP Sensor (2.4L)On intake manifold. (Схема №1)
Mass Airflow Sensor (2.4L)In air duct, between air cleaner and throttle body. (Схема №1)
Mass Airflow Sensor (2.5L)In air intake hose, between air cleaner and throttle body. (Схема №2)
Photo SensorOn top center of dash.
Satellite Sensor (Driver)Near base of left "A" pillar.
Satellite Sensor (Passenger)Near base of right "A" pillar.
Speed SensorOn top of transaxle.
Tank Pressure SensorNear top of fuel tank.
Throttle Position SensorOn throttle body.
Wheel Speed Sensor (Front) (Left/Right)On respective front steering knuckle.
Wheel Speed Sensor (Rear) (Left/Right)On respective rear brake backing plate.

SENDING UNITS & SENSORS LOCATION

SOLENOID & SOLENOID VALVES

ComponentComponent Location
ATM Solenoid (2.4L A/T)On transaxle valve body assembly. (Схема №1)
Canister Close ValveUnder left rear of vehicle.
EGR Solenoid (2.4L)At right rear of engine compartment. (Схема №1)
EPS SolenoidOn power steering rack hydraulic control unit.
Idle Speed Actuator (2.4L)On throttle body. (Схема №1)
Idle Speed Actuator (2.5L)On throttle body. (Схема №2)
Purge Solenoid (2.4L)On top right side of engine. (Схема №1)
Purge Solenoid (2.5L)On top right side of engine. (Схема №2)
Solenoid Assembly (2.5L A/T)On transaxle valve body assembly.

SOLENOID & SOLENOID VALVES LOCATION

SWITCHES

ComponentComponent Location
Back-Up Light Switch (M/T)On top of transaxle.
Clutch SwitchAbove clutch pedal.
Hood SwitchAt right front corner of engine compartment.
Inhibitor Switch (A/T)On top of transaxle, next to transaxle oil filter.
Oil Pressure Switch (2.4L)On right side of cylinder block. (Схема №1)
Oil Pressure Switch (2.5L)On right side of cylinder block.
Parking Brake SwitchAt base of parking brake lever.
Power Steering Switch (2.4L)At front of engine, on power steering oil pump. (Схема №1)
Power Steering Switch (2.5L)At front of engine, on power steering oil pump. (Схема №2)
Stoplight SwitchAbove brake pedal, on bracket.
Triple SwitchOn top of A/C receiver-drier assembly.

SWITCHES LOCATION

MISCELLANEOUS

ComponentComponent Location
AmplifierAt right front of trunk.
Check ConnectorBehind left side of dash.
Chime BellUnder left side of dash.
Data Link Connector (DLC)Under left side of dash.
DRL ResistorAt right front side of engine compartment.
Ignition Coil (2.5L)At left rear of engine.
Ignition Coil 1 (2.4L)At top front of engine.
Ignition Coil 2 (2.4L)At top front of engine.
Power TransistorBehind right side of dash.
Pulse Generator A (2.4L A/T)On top of transaxle.
Pulse Generator B (2.4L A/T)On top of transaxle.
Resistor (Blower Motor)Behind right side of dash.
Resistor (Charging System)On junction block.
SirenAt right front side of engine compartment.
ThermistorBehind right side of dash.

MISCELLANEOUS LOCATION

CONNECTORS

ComponentComponent Location
X01 (18 Pin)Under center of dash.
X02 (20 Pin)Under center of dash.
X03 (25 Pin)Above left kick panel.
X04 (25 Pin)Above right kick panel.
X05 (20 Pin)Under left kick panel.
X06 (16 Pin)Under left kick panel.
X07 (22 Pin)Above right kick panel.
X08 (19 Pin)Behind left side of dash.
X09 (20 Pin)Behind left side of dash.
X10 (4 Pin)Above right kick panel.
X12 (20 Pin)Under front of center console.
X13 (8 Pin)At left rear door jamb.
X16 (10 Pin)At left rear of luggage compartment.
X17 (2.4L) (1 Pin)At left front of engine compartment, near battery. (Схема №1)
X17 (2.5L) (1 Pin)At left front of engine compartment, near battery. (Схема №2)
X18 (2.5L) (4 Pin)At right rear of engine. (Схема №2)
X21 (2.4L) (12 Pin)At right front of engine. (Схема №1)

CONNECTORS LOCATION

GROUNDS

ComponentComponent Location
G1Above left kick panel.
G2Behind center of dash.
G3Above right kick panel.
G4Above left kick panel.
G5Behind instrument cluster.
G6Behind center of dash.
G7At left front of engine compartment.
G8At right front of engine compartment.
G9 (2.4L)At rear of engine compartment, on center of firewall. (Схема №1)
G9 (2.5L)At rear of engine compartment, on center of firewall. (Схема №2)
G10 (2.4L)At right rear of engine compartment. (Схема №1)
G10 (2.5L)At right rear of engine compartment. (Схема №2)
G11Under center console.
G12Under center console.
G13 (2.4L)On left strut tower. (Схема №1)
G13 (2.5L)On left strut tower. (Схема №2)
G14 (2.5L)At top center rear of engine. (Схема №2)
G15Under driver seat.
G16At right side of package shelf.
G17Behind left front door trim panel, under arm rest.
G18Behind left front door trim panel, under arm rest.
G19Under center console.
G20At rear center of luggage compartment.

GROUNDS LOCATION