Access the official OEM workshop manual for the 2002-2006 Acura RSX, also known as the Honda Integra DC5 in the Australian market. This comprehensive repair manual, available in PDF format, includes detailed wiring diagrams and is the same guide used by Acura and Honda dealer mechanics to diagnose and repair your vehicle.
| File Format |
PDF |
| File Language |
English |
| You’ll Get |
181.9 MB |
| Wiring Diagram |
Included |
| Page Count |
3,515 |
| Delivery Method |
Instant Download |
Key Features:
- Official OEM Manual: The same repair guide trusted by Acura and Honda dealership technicians.
- Complete Coverage: Includes all service, repair, and maintenance procedures for the Acura RSX and Honda Integra DC5.
- Detailed Wiring Diagrams: Full electrical schematics for accurate troubleshooting and repairs.
- Simple PDF Format: Easy to access on any device for convenient use.
- Authorized Procedures: Follow the same manufacturer-approved steps used by professionals.
Ensure your vehicle receives expert-level care with the same trusted manual used by Acura and Honda service centers.
This manual provides detailed instructions for maintenance, disassembly, reassembly, component inspection, adjustment, and diagnostics—intended for use by experienced mechanics. Proper application of this guide will help ensure thorough repairs and maintain your vehicle in peak condition.
Important Note: Before purchasing this manual, please check whether your vehicle is subject to any active service recalls, as authorized dealerships may perform necessary repairs free of charge. When replacing parts, always use genuine OEM components to ensure safety, reliability, and long-term performance.
Table of Contents : 2002-2006 Acura RSX Repair Manual

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CAUTION: This OEM service and workshop repair manual provides detailed procedures for maintenance, disassembly, reassembly, inspection, adjustment, and diagnostics. It is intended as a comprehensive guide for experienced mechanics. To ensure thorough and accurate repairs that maintain your vehicle’s optimal performance, please read and follow this manual carefully. When replacing parts during any repair work, always use genuine Honda parts to ensure quality, safety, and reliability.
🚗 2002–2006 Acura RSX – Full Vehicle Overview, Issues, DTCs & Maintenance Guide
The Acura RSX, known as the Honda Integra DC5 outside North America, was a sporty compact coupe offered by Acura between 2002 and 2006. It replaced the Integra and carried forward Honda’s reputation for lightweight handling, high-revving engines, and tuner-friendly platforms. Enthusiasts especially prize the RSX Type-S for its performance and tuning potential. The RSX offered Honda’s legendary VTEC engines, precise manual transmissions, and a balance of daily usability with performance appeal.
🔍 Quick Facts
| Model Name |
Acura RSX (DC5) |
| Years Produced |
2002–2006 |
| Body Style |
3-door hatchback coupe |
| Layout |
Front-engine, Front-wheel drive (FWD) |
| Platform |
Honda Global Compact |
| Assembly Location |
Sayama, Japan |
| Successor |
Acura ILX (spiritual successor; not performance-focused) |
⚙️ Technical Specifications & Performance
- Engine Options: 2.0L i-VTEC I4 (K20A3, 160 hp), 2.0L i-VTEC I4 (K20A2, 200 hp in Type-S)
- Transmission: 5-speed manual/automatic (base), 6-speed manual (Type-S)
- Drivetrain: Front-wheel drive (FWD)
- 0–100 km/h: ~7.0 sec (Type-S) / ~7.8 sec (Base manual)
- Fuel Efficiency: 22–31 MPG combined
- Dimensions: Length 4,365 mm, Width 1,725 mm, Height 1,400 mm
- Boot Capacity: 504L (hatchback design, rear seats foldable)
⚙️ Powertrain & Performance
| Trim |
Engine |
Power |
Torque |
Redline |
0–60 mph |
Transmission |
| Base RSX |
2.0L K20A3 (SOHC i-VTEC) |
160 hp |
141 lb-ft |
6,800 RPM |
~7.2 sec |
5-speed manual / 5-speed auto |
| RSX Type-S (02–04) |
2.0L K20A2 (DOHC i-VTEC) |
200 hp |
142 lb-ft |
8,000 RPM |
~6.2 sec |
6-speed manual |
| RSX Type-S (05–06) |
2.0L K20Z1 (DOHC i-VTEC) |
210 hp |
143 lb-ft |
8,100 RPM |
~6.0 sec |
6-speed manual |
✅ Famous for:
- High-revving K-series engines
- Legendary 6-speed manual transmission (Type-S)
- Lightweight and agile chassis
🔧 Top 10 Common Mechanical Issues (Root Cause & Fix)
- Premature clutch wear
🔍 Root Cause: Aggressive driving and weak OEM clutch design.
🛠️ Fix: Replace clutch kit with stronger aftermarket option.
- Transmission grinding (manual)
🔍 Root Cause: Weak 2nd gear synchros.
🛠️ Fix: Rebuild gearbox with updated synchros.
- Oil consumption
🔍 Root Cause: Worn piston rings and valve seals on high mileage units.
🛠️ Fix: Rebuild top end, replace seals and rings.
- Engine mounts failure
🔍 Root Cause: Soft rubber mounts deteriorate quickly.
🛠️ Fix: Install reinforced aftermarket or OEM mounts.
- Suspension creaking
🔍 Root Cause: Worn control arm bushings and ball joints.
🛠️ Fix: Replace bushings and ball joints.
- Brakes wear quickly
🔍 Root Cause: Lightweight rotors and spirited driving.
🛠️ Fix: Upgrade to performance rotors/pads.
- Power steering leaks
🔍 Root Cause: Weak seals in pump and rack.
🛠️ Fix: Replace or rebuild steering pump/rack.
- Exhaust manifold cracks
🔍 Root Cause: Heat cycling and thin material.
🛠️ Fix: Replace with upgraded header/manifold.
- Radiator leaks
🔍 Root Cause: Plastic end tanks fail with age.
🛠️ Fix: Replace with aluminum aftermarket radiator.
- CV joint wear
🔍 Root Cause: Torn axle boots leading to grease loss.
🛠️ Fix: Replace CV axles or boots as needed.
💡 Top 10 Common Electrical Issues (Root Cause & Fix)
- Power window regulator failure
🔍 Root Cause: Weak cables and motors.
🛠️ Fix: Replace regulator assembly.
- Dashboard cluster backlight dimming
🔍 Root Cause: Failing bulbs and circuit board solder joints.
🛠️ Fix: Replace bulbs or repair solder joints.
- Airbag light on
🔍 Root Cause: Faulty seat belt buckle sensor.
🛠️ Fix: Replace buckle sensor.
- Starter motor issues
🔍 Root Cause: Worn solenoid contacts.
🛠️ Fix: Replace or rebuild starter motor.
- Radio and speakers failing
🔍 Root Cause: Factory head unit prone to capacitor failure.
🛠️ Fix: Replace or upgrade audio system.
- Keyless entry malfunction
🔍 Root Cause: Weak key fob battery or receiver fault.
🛠️ Fix: Replace fob battery or reprogram system.
- AC blower motor failure
🔍 Root Cause: Burnt resistor or worn motor.
🛠️ Fix: Replace resistor and motor.
- ABS light on
🔍 Root Cause: Faulty wheel speed sensor.
🛠️ Fix: Replace sensor and recalibrate ABS.
- Alternator charging issues
🔍 Root Cause: Worn brushes and regulator.
🛠️ Fix: Replace alternator assembly.
- Sunroof malfunction
🔍 Root Cause: Broken track guides.
🛠️ Fix: Replace track assembly.
🔧 Common Issues & Reliability Reported By Owners
The RSX is known for outstanding reliability, especially with regular maintenance, but there are a few known issues reported by owners:
1. Worn Transmission Synchros (Type-S 6MT)
- Problem: 2nd and 3rd gear grinds due to worn synchros.
- Fix: Synchro and gear set replacement, or transmission rebuild.
- Cost: $1,000–$2,000 (depending on extent).
2. Oil Consumption
- Problem: High-revving K-series engines may burn oil if driven hard.
- Fix: Monitor and top off regularly; piston ring replacement in severe cases.
- Tip: Change oil every 3,000–5,000 miles with high-quality synthetic oil.
3. Cracked Front Engine Mounts
- Problem: Engine movement under load due to torn mounts.
- Fix: Replace with OEM or polyurethane aftermarket mounts.
- Cost: ~$200–$500.
4. Power Window Regulator Failure
- Problem: Slow or stuck windows due to worn-out regulators.
- Fix: Replace window motor/regulator.
- Cost: ~$150–$300 per door.
5. Interior Panel Rattles
- Problem: Dash and rear hatch panels may rattle with age.
- Fix: Foam tape, clips, or aftermarket insulation.
🛠️ Maintenance Schedule
| Maintenance Item |
Interval |
| Oil & Filter Change |
Every 5,000 miles (synthetic preferred) |
| Transmission Fluid (Manual) |
Every 30,000–60,000 miles |
| Spark Plugs (Iridium) |
Every 100,000 miles |
| Valve Adjustment (Base models) |
Every 110,000 miles |
| Timing Chain Inspection |
Inspect at 100,000+ miles (chain, not belt) |
| Coolant Replacement |
Every 5 years or 60,000 miles |
| Brake Fluid |
Every 3 years |
| Drive Belt Replacement |
Every 60,000–100,000 miles |
✅ Note: The K-series uses a timing chain, not a belt, which reduces long-term maintenance costs.
⚠️ Recalls, Advisories & Safety Alerts
- Airbag inflator recall (Takata, 2002–2006): Risk of shrapnel on deployment.
- Headlight wiring recall (2004–2005): Overheating connectors causing light failure.
- Fuel pump recall (2002): Faulty pump modules leading to stalling.
- Brake booster issue (2002–2003): Reduced brake assist due to vacuum leak.
- Seatbelt pretensioner recall (2002–2004): Faulty igniters in pretensioner system.
- Power steering hose (2003): Leaks caused underhood fires risk.
- Ignition switch wear (2002–2006): Leads to stalling and electrical loss.
- Sunroof glass detachment (2005): Poor bonding could release glass.
- Rear suspension compliance bushings (2002–2004): Premature wear led to instability.
- Emissions control module (2004–2005): Faulty ECU calibration increased NOx emissions.
📊 Pros & Cons Comparison with Competitors
| Model |
Pros 👍 |
Cons 👎 |
| Acura RSX |
Strong VTEC engines; Sharp handling; Hatchback practicality |
Weak transmission synchros; Road noise; Small rear seats |
| Honda Civic Si (EP3) |
Reliable drivetrain; Affordable; Sporty |
Polarizing styling; Softer suspension |
| Mazda RX-8 |
High-rev rotary; Great handling; Unique design |
Poor fuel economy; Rotary engine reliability issues |
| VW GTI (Mk4) |
Turbo torque; Hatchback utility; Tuning potential |
Electrical gremlins; Interior wear |
| Toyota Celica GT-S |
Lightweight; High-revving 2ZZ engine; Sharp styling |
Lacks torque; Rear seat cramped |
| Mitsubishi Eclipse |
Sporty looks; Strong aftermarket support |
Heavier chassis; Less reliable than rivals |
✅ Pros
- ✅ Legendary K-series engine with strong aftermarket support
- ✅ High-revving performance and sharp handling (especially Type-S)
- ✅ Reliable drivetrain if properly maintained
- ✅ Sporty looks, practical hatchback utility
- ✅ Huge community for tuning, racing, and support
❌ Cons
- ❌ Interior noise and rattles
- ❌ Gear grinding on early Type-S models
- ❌ Limited rear passenger space
- ❌ FWD only (no AWD/RWD option)
- ❌ Older now – age-related wear common
🧾 Diagnostic Trouble Codes (DTC) Tables
💻 Engine Control Module (ECM)
| Code |
Description |
| P0301 |
Cylinder 1 Misfire |
| P0302 |
Cylinder 2 Misfire |
| P0303 |
Cylinder 3 Misfire |
| P0304 |
Cylinder 4 Misfire |
| P0171 |
System Too Lean |
| P0135 |
O2 Sensor Heater Circuit Malfunction |
| P0420 |
Catalyst Efficiency Below Threshold |
| P0456 |
EVAP System Small Leak |
| P0507 |
Idle Control RPM High |
| P0118 |
Engine Coolant Temperature Sensor High |
⚙️ Transmission Control Module (TCM)
| Code |
Description |
| P0700 |
Transmission Control System Malfunction |
| P0730 |
Incorrect Gear Ratio |
| P0740 |
TCC Circuit Malfunction |
| P0753 |
Shift Solenoid A Electrical |
| P0758 |
Shift Solenoid B Electrical |
| P0780 |
Shift Malfunction |
| P0841 |
Transmission Fluid Pressure Sensor |
| P0962 |
Pressure Control Solenoid Low |
| P1717 |
Transmission Range Switch Fault |
| P1740 |
TCC Solenoid Mechanical Failure |
🛑 ABS / ESC System
| Code |
Description |
| C0035 |
Left Front Wheel Speed Sensor |
| C0040 |
Right Front Wheel Speed Sensor |
| C0050 |
Rear Wheel Speed Sensor |
| C0110 |
Hydraulic Pump Motor Circuit |
| C0131 |
ABS Pressure Circuit Malfunction |
| C1235 |
Yaw Rate Sensor Malfunction |
| C1267 |
PCM/ABS Communication Error |
| C1278 |
Steering Angle Sensor Malfunction |
| C1401 |
ABS Hydraulic Valve Malfunction |
| C1415 |
Left Front Wheel Pressure Modulator Valve |
🎈 SRS Airbag System
| Code |
Description |
| B1000 |
Airbag Control Module Fault |
| B1015 |
Driver Airbag Circuit Low |
| B1016 |
Driver Airbag Circuit Open |
| B1020 |
Passenger Airbag Circuit Short |
| B1050 |
Side Airbag Module Fault |
| B1101 |
Airbag Sensor Low Voltage |
| B1209 |
Occupant Sensor Fault |
| B1302 |
Crash Sensor Supply Circuit |
| B1352 |
Crash Event Storage Full |
| B1401 |
Seat Belt Pretensioner Fault |
📡 Body Control / CAN Communication
| Code |
Description |
| U0100 |
Lost Communication with ECM |
| U0121 |
Lost Communication with ABS |
| U0140 |
Lost Communication with BCM |
| U0155 |
Lost Communication with IPC |
| U1001 |
CAN Communication Failure |
| U1110 |
Lost Communication with Transmission Module |
| U1130 |
Lost Communication with Climate Control |
| U1201 |
Lost Communication with Immobilizer |
| U1255 |
Invalid Data from ABS |
| U1410 |
Invalid Data Received from PCM |
✅ Final Verdict & Conclusion
The Acura RSX (2002–2006) remains a beloved sporty compact thanks to its high-revving VTEC engines, agile handling, and practical hatchback design. While known for issues such as weak transmission synchros and clutch wear, it offers excellent tuning potential and long-term reliability when maintained. Against rivals, the RSX strikes a balance between daily usability and performance, making it a modern classic for enthusiasts.
The 2002–2006 Acura RSX—especially the Type-S—remains a favorite among enthusiasts, tuners, and weekend racers. With a bulletproof engine, engaging manual transmission, and Honda reliability, it delivers exceptional fun per dollar. A JDM-era gem for drivers who love rev-happy performance and don’t mind doing a little wrenching. 🔧🔥