This manual is designed for use with the 2002 Kia Optima Factory Service Manual to provide complete service information for the 2002 Optima. Circuit schematics break the electrical system into subsystems. Each circuit schematic contains only those electrical components that specifically affect the subsystem.

Section Index:

• How to use this manual
• Electrical Wiring Schematic
• Ground Points
• Starting & Charging system
• Engine Control System
• Cooling System
• Instrument Cluster, Warning Lamp, Multi Meter, Speed Sensor
• Front Wiper & Washer System
• Rear Wiper & Washer System
• Headlights
• Auto Light System
• Tail Lamps, License Lamps, Position Lamps, Marker Lamps
• Fog Lamps, Trailer Lamps
• Daytime Running Light (DRL)
• Turn & Hazard Flasher Unit
• Horn, Stop Lights, Back-Up Lights, ECM Home Link
• Heater & Air Con System
• Automatic Transaxle Control System
• ETACS, Door Switch, Cargo Room Lamp, Keyless Entry System, Center Room Lamp, Sunvisor Lamps, Key Cylinder Switch, Back Glass Opener, Door Courtesy Lamps
• Illumination Lamp, Glow Box Illumination
• Audio System
• Premium Audio System
• Steering Remocon
• Power Window System
• Power Door Lock System
• Power Mirror System
• Sunroof System
• Electronic Power Steering System
• Anti-Lock Brake System
• Power Seat, Seat Warmer System
• Auto Cruise Control System
• Air Bay System
• Defroster
• Cigar Lighter, Power Outlet, Digital Clock
• Immobilizer System
• Data Link Connector, OBD-II Check Connector
• Common Connector, Short Connector, Fuse Box, Junction Block