🏷️ Basic Information

Make:

Dacia

Model:

Logan

Generation:

First Generation (L90)

Model Code:

L90

Model Year:

2004

Internal Product Code:

NT9800

👋 Introduction

Target Audience:

Professional Mechanics, Automotive Enthusiasts, DIYers

Unique Selling Point:

Comprehensive color wiring diagrams specifically for the 2004 Dacia Logan, aiding in complex electrical work.

Visual Aid:

Color-coding of wires (power vs. control circuits).

Diagram Accuracy:

Detailed component locations and terminal markings.

Practical Application:

Facilitates wiring, troubleshooting, and repair of the vehicle's electrical system.

📋 Manual Details

Primary Focus:

Electrical System Wiring Diagrams

Component Coverage:

Engine, Dashboard, Passenger Compartment, Doors, Roof, Seats, ABS System, Passenger Airbag, Ground Connections, Specific Electrical Systems

Estimated Page Count:

N/A (Specific page count not provided in product information)

Type:

Wiring Diagram Book

Language:

Likely English (based on product description)

Format:

Printed Book

📖 Manual Coverage

Core Electrical:

Comprehensive wiring diagrams for all major electrical systems.

Engine Management:

Wiring pertaining to engine control units (ECU), sensors, and actuators.

Lighting:

Headlights, taillights, interior lighting, and auxiliary lighting circuits.

Instrumentation And Gauges:

Wiring for speedometer, tachometer, fuel gauge, temperature gauge, warning lights, etc.

HVAC:

Electrical controls for heating, ventilation, and air conditioning systems.

Audio And Infotainment:

Wiring for radio, speakers, and other audio components.

Power Accessories:

Power windows, power door locks, central locking systems, and mirrors.

Safety Systems:

ABS, passenger airbag, and associated sensors/actuators.

Wiring Tracing:

Detailed path tracing for new installations and understanding existing configurations.

Troubleshooting Electrical Faults:

Aiding in diagnosing and pinpointing the root cause of electrical issues.

Component Identification:

Locating components and understanding their terminal markings.

Repair And Replacement:

Guidance on understanding wiring for parts replacement.

Depth Level:

Detailed Electrical Schematics

Visualization Aid:

Color-coded wires for easy identification.

Diagram Detail:

Precise location of components, terminal markings, and wire connections shown.

Wire Convention:

Bold lines for power circuits, thin lines for control circuits.

📊 Manual Specifications

Format Type:

Printed Book

Quality Description:

Color diagrams, likely high-resolution printing for clarity.

Binding:

Likely perfect bound or stapled for a book format.

Paper Quality:

Durable paper suitable for workshop use (specific type not mentioned).

⚙️ Engine Specifications

Engine Type:

Details for the 2004 Dacia Logan L90 are not explicitly provided in the product description. Common engines for this generation included 1.4L and 1.6L petrol engines (K7J, K7M).

Horsepower:

Varies by engine. For 1.4L K7J: approx. 75 HP. For 1.6L K7M: approx. 90 HP.

Torque:

Varies by engine. For 1.4L K7J: approx. 112 Nm. For 1.6L K7M: approx. 127 Nm.

Injection Type:

Multi-point Fuel Injection (MPI)

Ignition Type:

Electronic Ignition (distributorless or with distributor depending on specific variant)

Cooling Method:

Liquid-cooled (water pump, radiator, thermostat, cooling fan)

🔧 Transmission

Transmission Type:

5-speed Manual Transmission

Transmission Type:

Automatic transmission was generally not a common option for the early L90 models.

Clutch Type:

Hydraulically operated dry single-plate clutch

Transmission Fluid:

Typically API GL-4, SAE 75W-80 or 75W-90 gear oil (specific OEM recommendation should be consulted).

📐 Dimensions

Body Style:

4-door Sedan

Length:

Approx. 4,247 mm (167.2 in)

Width:

Approx. 1,735 mm (68.3 in)

Height:

Approx. 1,533 mm (60.4 in)

Curb Weight:

Approx. 1030-1075 kg (depending on engine and equipment)

🛡️ Safety Features

Euro Ncap Rating:

Euro NCAP awarded the Dacia Logan (first generation) 3 stars for adult occupant protection in its initial testing.

ABS:

Available as an option, typically on higher trim levels or specific markets.

Airbags:

Driver airbag standard. Passenger airbag typically optional or standard on certain trims.

Seatbelts:

Three-point seatbelts with pre-tensioners for front seats.

💡 Technology Features

Audio System:

Basic factory-installed radio with CD player and speakers. Aux-in connectivity might be present in later variants or as an aftermarket addition.

Cruise Control:

Not typically a standard feature on the 2004 model; usually an aftermarket addition.

Bluetooth:

Not a standard feature in 2004. Bluetooth hands-free systems were typically aftermarket or introduced in later model years/facelifts.

🔧 Maintenance

Oil Change Interval:

Typically every 15,000 km (9,300 miles) or 1 year, whichever comes first (refer to owner's manual for exact specifications).

Timing Belt Replacement:

For K7M engines (1.6L), the timing belt is usually recommended for replacement every 60,000 - 90,000 km or 4-5 years. For K7J engines (1.4L), similar intervals apply. Consult specific service documentation.

Engine Oil Type:

Typically SAE 5W-40 or 10W-40, meeting specific API/ACEA specifications (e.g., API SN, ACEA A3/B4). Renault RN 0700/0710 approval often recommended.

Coolant Type:

Ethylene glycol-based antifreeze with corrosion inhibitors, typically a long-life coolant (e.g., G11 or G12 type). Mixture ratio usually 50% coolant, 50% distilled water.

Brake Fluid Type:

DOT 3 or DOT 4 brake fluid.

Common Electrical Problems:

While not inherently plagued by widespread electrical defects, common issues can include alternator failures, starter motor issues, minor sensor malfunctions (e.g., coolant temperature sensor), and corrosion in connectors due to aging or environmental factors.

Common Mechanical Problems:

Can include issues with suspension components (bushings, ball joints) due to road conditions, exhaust system wear, and occasional clutch wear. Early models may have had some minor build quality inconsistencies.

📚 Vehicle History

Brand Origin:

Dacia is a Romanian automobile manufacturer founded in 1966. It has been a subsidiary of Renault since 1999.

Logan Concept:

The Logan was conceived as a robust, affordable, and simple vehicle to meet the needs of emerging markets, emphasizing value for money and practicality.

Launch Year:

2004

Manufacturing Locations:

Primarily Pitesti, Romania, with production also occurring in other countries under various Renault-Nissan brands (e.g., Renault Logan, Nissan Aprio).

🏆 Awards & Recognition

Value Awards:

The Dacia Logan has frequently been recognized for its exceptional value proposition and affordability, often winning 'Car of the Year' awards in the budget or value categories in various markets.