🏷️ Basic Information

Make:

Mitsubishi

Model:

Mirage

Year:

1990

Chassis Codes:

D11A, D12A, D13A, D15A, D21A, D22A, D23A, D25A, D27A, D31A, D32A, D35A, D37A

Platform:

Mitsubishi Project 90 (A50/C50/E30/F10/F20/F30/F40/F50/F60/F70/F80/F90/H30/H40/H50/H60/H70/J10/J20/J30/J40/J50/J60/J70/J80/J90/K10/K20/K30/K40/K50/K60/K70/K80/K90/L10/L20/L30/L40/L50/L60/L70/L80/L90/M10/M20/M30/M40/M50/M60/M70/M80/M90/N10/N20/N30/N40/N50/N60/N70/N80/N90/P10/P20/P30/P40/P50/P60/P70/P80/P90/Q10/Q20/Q30/Q40/Q50/Q60/Q70/Q80/Q90/R10/R20/R30/R40/R50/R60/R70/R80/R90/S10/S20/S30/S40/S50/S60/S70/S80/S90/T10/T20/T30/T40/T50/T60/T70/T80/T90/U10/U20/U30/U40/U50/U60/U70/U80/U90/V10/V20/V30/V40/V50/V60/V70/V80/V90/W10/W20/W30/W40/W50/W60/W70/W80/W90/X10/X20/X30/X40/X50/X60/X70/X80/X90/Y10/Y20/Y30/Y40/Y50/Y60/Y70/Y80/Y90/Z10/Z20/Z30/Z40/Z50/Z60/Z70/Z80/Z90)

👋 Introduction

Segment:

Subcompact car / Compact car

Target Audience:

DIY mechanics, independent repair shops, Mitsubishi owners seeking detailed repair information.

Key Competitors Model Year:

Honda Civic, Toyota Corolla, Ford Escort, Nissan Sentra, Mazda 323

Licensed Content:

Officially licensed factory service manual content.

Digital Convenience:

Instant access to repair information in a digital format.

📋 Manual Details

Market Coverage:

North America, Europe, Asia, Australia

Trim Levels Covered:

All trim levels (e.g., GL, GS, LS, GTS, RS)

Estimated Page Count:

Approximately 1000-1500 (Software compilation)

Type:

Factory Service Manual (FSM) / Repair Manual

Language:

English

Format:

Software (Digital, likely PDF or proprietary format)

📖 Manual Coverage

Engine Mechanical:

Engine assembly, cylinder head, block, crankshaft, pistons, connecting rods, camshafts, timing components, lubrication system, cooling system

Engine Fuel System:

Fuel injection (MPI), fuel pump, fuel lines, injectors, fuel pressure regulator, throttle body, evaporative emission control (EVAP)

Engine Ignition System:

Ignition coil, distributor (if applicable), spark plugs, ignition timing, electronic ignition control

Engine Emission Control:

Catalytic converter, oxygen sensors (O2), exhaust gas recirculation (EGR), PCV system

Transmission Manual:

Clutch operation, gearbox assembly, gear shifting mechanisms, internal components, linkages

Transmission Automatic:

Torque converter, planetary gear sets, hydraulic control system, valve body, transmission control unit (TCU)

Drivetrain:

Front-wheel drive (FWD), drive shafts, CV joints, differentials

Suspension:

Front suspension (MacPherson struts), rear suspension (Torsion beam or independent), control arms, springs, shock absorbers, bushings, alignment specifications

Steering:

Power steering system (if equipped), steering rack, tie rods, steering column, wheel alignment

Brakes:

Front disc brakes, rear drum brakes (common), brake calipers, brake pads, rotors, wheel cylinders, master cylinder, brake lines, parking brake system, ABS (if equipped)

Electrical System Charging:

Alternator, voltage regulator, battery specifications, wiring diagrams

Electrical System Starting:

Starter motor, starter solenoid, ignition switch

Electrical System Lighting:

Headlights, taillights, interior lighting, turn signals, fuse box locations and diagrams

Electrical System Accessories:

Wipers, washers, power windows, power locks, horn, radio, HVAC controls

Body Exterior:

Body panels, doors, hood, trunk lid, bumpers, glass, seals, trim

Body Interior:

Seats, dashboard, trim panels, carpeting, headliner, seat belts

HVAC:

Heating system, air conditioning system (compressor, condenser, evaporator, refrigerant), blower motor, controls, ducting

Routine Maintenance:

Oil changes, filter replacements, fluid checks and top-offs, spark plug replacement, belt inspections and replacement, tire rotations

Diagnostics Troubleshooting:

Systematic troubleshooting charts, symptom-based diagnostics, diagnostic trouble codes (DTCs) interpretation (for OBD-I systems)

Engine Repair:

Engine overhaul, cylinder head removal/installation, piston/ring replacement, crankshaft bearing service, timing belt/chain replacement

Transmission Repair:

Transmission overhaul (manual and automatic), clutch replacement, seal replacement, internal component repair

Brake System Service:

Brake pad/shoe replacement, rotor/drum resurfacing or replacement, brake fluid bleeding, master cylinder rebuild/replacement

Suspension Steering Repair:

Strut/shock absorber replacement, control arm bushing replacement, ball joint replacement, tie rod end replacement, power steering pump/rack service

Electrical Component Replacement:

Alternator replacement, starter motor replacement, battery service, sensor replacement (e.g., O2 sensor, coolant temp sensor)

Body Panel Repair:

Door hinge adjustment, panel alignment, trim piece replacement, glass replacement (windshield, side glass)

HVAC System Service:

Heater core replacement, AC compressor replacement, refrigerant system evacuation and recharge, blower motor replacement

Wiring Diagrams:

Complete electrical system wiring diagrams for various circuits

Depth:

Comprehensive, from basic maintenance to full engine and transmission rebuilds, including diagnostic procedures.

📊 Manual Specifications

Format Details:

Digital software; compatibility with various operating systems may vary. Searchable text is likely.

Printability:

Designed for digital viewing, printable pages depend on software features. High-resolution images and diagrams expected.

Binding:

N/A (Digital Software)

Paper Type:

N/A (Digital Software)

⚙️ Engine Specifications

Engine Code Gasoline 1.5L:

4G15

Engine Displacement 1.5L:

1468 cc (89.6 cu. in.)

Engine Configuration 1.5L:

Inline 4-cylinder, SOHC

Bore Stroke 1.5L:

75.5 mm x 82.6 mm

Compression Ratio 1.5L:

9.4:1

Horsepower 1.5L:

Approx. 87 hp @ 5500 rpm

Torque 1.5L:

Approx. 83 lb-ft @ 3500 rpm

Engine Code Gasoline 1.6L:

4G16

Engine Displacement 1.6L:

1590 cc (97.0 cu. in.)

Engine Configuration 1.6L:

Inline 4-cylinder, SOHC

Horsepower 1.6L:

Approx. 92 hp @ 5500 rpm (for standard 1.6L)

Torque 1.6L:

Approx. 97 lb-ft @ 3500 rpm (for standard 1.6L)

Engine Code Gasoline 1.8L Gts:

4G18 (Possibly DOHC 16V)

Engine Displacement 1.8L Gts:

1830 cc (111.7 cu. in.)

Engine Configuration 1.8L Gts:

Inline 4-cylinder, DOHC, 16-valve

Horsepower 1.8L Gts:

Approx. 124 hp @ 6000 rpm (GTS model)

Torque 1.8L Gts:

Approx. 127 lb-ft @ 4500 rpm (GTS model)

Fuel Delivery:

Multi-Point Fuel Injection (MPI)

Fuel Type:

Unleaded gasoline

Fuel Tank Capacity:

Approx. 11.9 gallons (45 Liters)

🔧 Transmission

Type Standard:

5-speed manual transmission

Type Optional:

3-speed or 4-speed automatic transmission

Drivetrain:

Front-Wheel Drive (FWD)

Automatic Transmission Fluid:

MITSUBISHI DIA QUEEN ATF-J2 or equivalent (Check manual for exact specification)

Manual Transmission Fluid:

API GL-4, SAE 75W-90 or 80W-90 gear oil (Check manual for exact specification)

📐 Dimensions

Length:

Approx. 160.2 - 164.8 inches (4070 - 4185 mm) depending on body style

Width:

Approx. 65.2 - 65.6 inches (1655 - 1665 mm)

Height:

Approx. 53.7 - 54.9 inches (1365 - 1395 mm) depending on body style

Wheelbase:

Approx. 97.1 inches (2465 mm)

Front Track:

Approx. 56.1 inches (1425 mm)

Rear Track:

Approx. 55.5 inches (1410 mm)

Curb Weight:

Approx. 2070 - 2350 lbs (940 - 1065 kg) depending on model and equipment

Gross Vehicle Weight Rating:

Varies by model, typically around 3000-3300 lbs

🛡️ Safety Features

NHTSA Crash Test Ratings:

Information for 1990 models is generally not as detailed or standardized as modern vehicles. Expect basic frontal impact performance.

ABS:

Optional on some models, particularly higher trims or performance variants.

Seat Belts:

Three-point front seat belts, lap belts in rear. Manual shoulder belt retractors likely.

Airbags:

Driver airbag was not standard and likely not widely available or standard in 1990 for this class of vehicle. Passenger airbag was extremely rare.

💡 Technology Features

Audio System:

Factory AM/FM radio with cassette player, often with 2-4 speakers. Basic analog tuning.

Instrument Cluster:

Analog gauges for speedometer, tachometer (on some trims), fuel, coolant temperature, oil pressure (warning light). Odometer and trip meter.

Cruise Control:

Optional on higher trim levels.

OBD Interface:

OBD-I (On-Board Diagnostics, first generation) connector. Manual will detail diagnostic port locations and basic code retrieval procedures.

🔧 Maintenance

Oil Change Interval:

Every 3,750 - 5,000 miles (6,000 - 8,000 km) or 3-6 months, depending on driving conditions. Refer to manual for precise intervals.

Engine Oil Filter Replacement:

Replace with every oil change.

Air Filter Replacement:

Every 15,000 - 30,000 miles (24,000 - 48,000 km) or as needed based on inspection.

Spark Plug Replacement:

Every 30,000 miles (48,000 km). Refer to manual for specific plug type and gap.

Timing Belt Replacement:

Crucial for 4G15/4G16/4G18 engines. Replacement interval typically every 60,000 miles (96,000 km) or 4-5 years. Failure can cause severe engine damage (interference engine).

Engine Oil Viscosity:

10W-30 or 10W-40 API SG or higher (Check manual for precise specification and ambient temperature ranges).

Coolant Type:

Ethylene glycol-based antifreeze/coolant, typically a 50/50 mix with distilled water. Green color common for this era. Check manual for specific Mopar/Chrysler equivalent if applicable.

Brake Fluid Type:

DOT 3 or DOT 4, as specified in the manual.

Engine Mounts:

Wear and tear leading to vibration and clunking noises.

Timing Belt Tensioner:

Potential failure on older models, leading to timing belt issues.

Automatic Transmission Slipping:

Common with high mileage or lack of fluid maintenance.

Cv Joint Boots:

Degradation and tearing leading to joint failure.

Exhaust System Corrosion:

Rusting and failure of muffler, pipes, and catalytic converter, especially in areas with road salt.

Electrical Connector Corrosion:

Corroded terminals in fuse box, relays, and connectors can cause intermittent electrical issues.

Radiator And Hoses:

Aging rubber components prone to leaks and failure.

📚 Vehicle History

Mitsubishi Motors:

Founded in 1970, Mitsubishi Motors Corporation is the automotive division of the Japanese conglomerate Mitsubishi Group. Known for its engineering, particularly in four-wheel drive systems and resilient powertrains.

Mirage Generation:

This manual covers the third generation of the Mitsubishi Mirage (chassis codes A150/A160, E10/E20, F10/F20, F30/F40/F50, D10/D20/D30). The 1990 model falls into the latter part of this generation, which spanned from 1987 to 1991.

Third Generation Updates:

The third generation saw significant styling updates, improved aerodynamics, and a shift towards more refined interiors. Front-wheel drive became standard across most of the range.

Manufacturing Locations:

Primary production was in Japan. Variants were also assembled in other countries.

🏆 Awards & Recognition

Automotive Journal Awards:

While specific awards for the 1990 model year are hard to pinpoint, the Mirage was generally well-regarded for its value, fuel efficiency, and nimble handling in the subcompact segment during its generation.

Consumer Reports Historical Ratings:

Historical data suggests a mixed bag for reliability for this era of Mitsubishi, with some components being robust while others required attention. The manual is key to addressing common wear items.