2004 Chevrolet Impala Owner's Manual - Page 363
2004 Chevrolet Impala Manual
Page 363 highlights
Underhood Fuse Block (Lower) Some fuses are in a fuse block in the engine compartment on the passenger's side of the vehicle. See Engine Compartment Overview on page 5-12 for more information on location. Relays FAN CONT #1 IGN RELAY A/C CMPR Fuses IGN SW RT I/P #3 U/HOOD #2 COOLING FANS FAN CONT #2 & #3 FAN CONT #1 FUEL INJ TRANS SOL A/C RLY (COIL) ENG DEVICES Usage Primary Cooling fan (Driver's Side) Ignition Relay HVAC Compressor Usage Ignition Switch Rear Defogger, Audio System Ignition Relay, AIR Pump Cooling Fans (Battery) Cooling Fan Control Relays #2 & #3 Cooling Fan Control Relays #1 Fuel Injectors Transmission Solenoids HVAC Control Relay Canister Purge Solenoid, Mass Air Flow Sensor (MAF), AIR Pump Relay & Valve Control Direct Fire Ignition Module Oxygen Sensor (Pre and Post Converter) Relays FAN CONT #3 FAN CONT #2 Usage Secondary Cooling Fan (Passenger's Side) Cooling Fan Control Relay DFI MDL OXY SEN 5-101