Get instant access to the OEM factory workshop repair manual with the wiring diagram for the 2009–2010 Acura RL (Honda Legend) in PDF.
2009-2010 Acura RL Repair Manual
$16.90
2009–2010 Acura RL OEM Repair Manual – PDF Download
Also Known As: Honda Legend
Format: PDF | Instant Download | Includes Wiring Diagrams
Get instant access to the official factory workshop service and repair manual for the 2009–2010 Acura RL (Honda Legend) ↗. This OEM manual is the exact same document used by authorized Honda and Acura dealership technicians. Whether you’re performing routine maintenance or tackling complex repairs, this comprehensive PDF has you covered.
| File Format | |
| File Language | English |
| You’ll Get | 54.4 MB |
| Pages Count | 3,091 |
| Wiring Diagram | Included |
| Delivery Method | Instant Download |
🔧 What’s Included:
- ✅ Full Service & Repair Procedures
- ✅ Detailed Electrical Wiring Diagrams
- ✅ Engine, Transmission, Suspension, Brakes, HVAC & More
- ✅ Diagnostic Trouble Codes (DTCs)
- ✅ Step-by-Step Instructions with Diagrams
- ✅ Fully Indexed & Searchable PDF Format
⚙️ Vehicle Compatibility:
- Make: Acura
- Model: RL
- Years: 2009, 2010
- Global Name: Honda Legend
💡 Why Choose This Manual?
✔ Official OEM Quality — No aftermarket shortcuts
✔ Technicians’ Choice — Used by dealer-level professionals
✔ DIY Friendly — Straightforward procedures for home mechanics
✔ One-Time Purchase — No subscription, no expiry
📦 Delivery: Instant digital PDF download after checkout
🖥️ Platform: Works on Windows, macOS, iOS, Android
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 : 2009-2010 Acura RL Repair Manual
- General
- Maintenance
- Specifications
- Driving Support
- HVAC
- Audio, Navigation
- Body
- Body Electrical
- Brakes
- Engine Cooling
- Engine Electrical
- Engine Mechanical
- Fuel and Emissions
- Restraints
- Steering
- Suspension
- Transaxle
- Owner’s Manual
SAMPLE PAGES
🚘 2009–2010 Acura RL – Full Review, Specs, Issues with Root Cause & Fixes, Recalls & DTC Codes
⚙️ Technical Specifications & Performance
- Engine: 3.7L SOHC VTEC V6
- Transmission: 5-speed automatic with Sequential SportShift
- Drivetrain: Super Handling All-Wheel Drive (SH-AWD)
- Horsepower: 300 hp @ 6,500 rpm
- Torque: 270 lb-ft @ 4,500 rpm
- Fuel Economy: ~17 MPG city / 24 MPG highway
- 0–60 mph: ~6.1 seconds
- Brakes: 4-wheel ventilated discs with ABS/EBD
- Steering: Electric Power Steering (EPS)
🔧 Top 10 Common Mechanical Issues (with Root Causes & Fixes)
- Transmission Judder / Shudder
Root Cause: Torque converter lock-up clutch calibration issues leading to judder at low speeds.
Fix: Update transmission/PCM software; if persists, replace torque converter assembly. :contentReference[oaicite:1]{index=1} - Premature Brake Wear
Root Cause: Heavy SH-AWD system weight increases brake load.
Fix: Upgrade to high-performance pads/rotors and inspect calipers regularly. - Steering Shaft/Universal Joint Play
Root Cause: Wear in intermediate steering shaft joints.
Fix: Replace worn U-joints or shaft sub-assembly. - Oil Leaks (Rear Main Seal)
Root Cause: Age-related seal degradation.
Fix: Replace rear main seal and inspect crankcase breather hoses. - Wheel Bearing/Hub Noise
Root Cause: Bearing wear or contamination.
Fix: Replace wheel bearing/hub assembly. - Water Pump Leak
Root Cause: Age and coolant corrosion.
Fix: Replace water pump and use proper Honda-approved coolant. - Exhaust Manifold Heat Shield Rattle
Root Cause: Heat shield bolts loosen over time.
Fix: Tighten or replace heat shield and fasteners. - Suspension Bushing Wear
Root Cause: High mileage suspension loads.
Fix: Replace worn bushings/control arms. - Rear Differential Noise
Root Cause: SH-AWD rear diff wear or low fluid.
Fix: Change fluid at intervals; inspect/replace differential gears as needed. - Engine Mount Wear
Root Cause: Vibration isolation mounts deteriorate over time.
Fix: Replace engine mount assemblies.
⚡ Top 10 Common Electrical Issues (with Root Causes & Fixes)
- Navigation Screen Freeze/Reset
Root Cause: Old navigation unit firmware and heat exposure.
Fix: Update navigation firmware; replace display head unit if persistent. - Backup Camera Intermittent
Root Cause: Corroded camera connector or cable harness wear.
Fix: Clean/repair connectors; replace camera module if needed. - Malfunction Indicator Light (MIL) False Codes
Root Cause: Faulty oxygen sensors or EVAP sensor intermittence.
Fix: Diagnostic-scan and replace affected sensor. - Bluetooth/Audio Sync Issues
Root Cause: Aging infotainment architecture.
Fix: Update Bluetooth module software; consider aftermarket infotainment upgrade if necessary. - Electric Power Steering (EPS) Noise
Root Cause: Worn EPS motor gears/brackets.
Fix: Replace EPS motor assembly or mount bushings. - Interior Lighting Failures
Root Cause: Loose connectors or burnt LEDs.
Fix: Check and reseat connectors; replace bulbs/LED modules. - Climate Control Display Glitches
Root Cause: Faulty HVAC control unit.
Fix: Replace HVAC control head/module. - Door Lock Actuator Failure
Root Cause: Mechanical wear or water intrusion.
Fix: Replace door lock actuator assemblies. - Battery Drain (Parasitic Load)
Root Cause: Aftermarket accessories or BCM glitches.
Fix: Isolate parasitic source; update BCM software; replace faulty modules. - ABS Sensor Circuit Alerts
Root Cause: Wheel speed sensor contamination or wiring abrasion.
Fix: Clean/replace sensors; repair wiring harness runs.
🚗 Top Competitors
📊 Pros and Cons
| Pros 👍 | Cons 👎 |
|---|---|
| SH-AWD delivers confident handling | Transmission judder reported on some models |
| Spacious luxury cabin | Fuel economy lags competitors |
| Rich standard equipment | Navigation system dated |
| Quiet highway manners | Complex AWD system can be costly to repair |
| Excellent build quality | Electrical gremlins common with age |
🛠️ Maintenance Schedule
| Service Interval ⏱️ | Maintenance Task 🛠️ |
|---|---|
| Every 5,000–7,500 miles | Oil & filter change, tire rotation, fluid checks |
| Every 15,000 miles | Cabin & engine air filter replacement |
| Every 30,000 miles | Brake fluid flush, inspect brake pads/rotors |
| Every 60,000 miles | Coolant & differential fluid service |
| Every 90,000 miles | Spark plugs, timing belt & water pump replacement |
📢 Recalls & Safety Alerts
-
- Airbag Inflator Recall (Takata): Dual-stage driver frontal inflators may absorb moisture and rupture in a crash; dealers replace free.
- Airbag Replacement Campaign: Expanded remedy for passenger frontal airbag inflators (2016-2019 notices).
- Steering Power Assist Hose Deterioration: High under-hood temperatures could deteriorate power steering hose causing leaks (older RL campaigns).
- Brake Fluid Seal Recall: Certain brake fluid materials may dry and compromise master cylinder seal (historical Acura RL campaigns).
- Fuel Pump Relay Recall: Coil wire could break preventing engine start.
🧾 Technical Service Bulletins (TSBs)
- TSB SB-12-029 – Transmission Judder: Software update for torque converter lock-up clutch judgment; extended warranty applies.
- TSB B23040A – Navigation Clock & Date Error: GPS chip rollover issue corrected via software.
- TSB B21120A – GPS Clock Rollover Fix: Corrects incorrect clock display due to memory rollover.
- TSB BTS180401 – Immobilizer Communication: Workaround when immobilizer setup tool cannot communicate.
- Starter/Alternator Service Bulletin: Diagnostic update for alternator/starter testing procedure.
🧾 DTC Trouble Code Lists
🚗 Engine Control Module (ECM)
| DTC Code | Description |
|---|---|
| P0300 | Random/Multiple Cylinder Misfire Detected |
| P0171 | System Too Lean (Bank 1) |
| P0420 | Catalyst System Efficiency Below Threshold |
| P0113 | Intake Air Temp Sensor High |
| P0128 | Coolant Thermostat Below Reg Temp |
| P0455 | EVAP System Gross Leak |
| P0442 | EVAP Small Leak |
| P0505 | Idle Control System Malfunction |
| P0135 | O2 Sensor Heater Circuit |
| P0102 | MAF Sensor Low Input |
⚙️ Transmission Control Module (TCM)
| DTC Code | Description |
|---|---|
| P0700 | Transmission Control System Malfunction |
| P0746 | Pressure Control Solenoid Performance |
| P0753 | Shift Solenoid A Electrical |
| P0715 | Input/Turbine Speed Sensor |
| P0730 | Incorrect Gear Ratio |
| P0780 | Shift Malfunction |
| P0796 | Pressure Control Solenoid C Performance |
| P0868 | Transmission Fluid Pressure Low |
| P0720 | Output Speed Sensor Circuit |
| P0755 | Shift Solenoid B Malfunction |
🛑 ABS / ESC System
| DTC Code | Description |
|---|---|
| C1241 | Low Battery Positive Voltage |
| C1223 | ABS Control System Fault |
| C0210 | Rear Wheel Speed Sensor |
| C0278 | ABS Solenoid Relay |
| C1401 | Rear Speed Sensor Circuit |
| C1433 | Yaw Sensor Malfunction |
| C1300 | ABS Pump Motor Relay |
| C1248 | Brake Booster Pump Motor |
| C1290 | Brake Control System Fault |
| C0040 | Front Wheel Speed Sensor |
🎈 SRS Airbag System
| DTC Code | Description |
|---|---|
| B0101 | Driver Squib Circuit |
| B0111 | Passenger Squib Circuit |
| B1650 | Airbag System Malfunction |
| B1801 | Driver Airbag Circuit |
| B1811 | Passenger Airbag Circuit |
| B1901 | Seatbelt Pretensioner Circuit |
| B1911 | Seatbelt Pretensioner RH |
| B1100 | Occupant Detection Fault |
| B1210 | Crash Sensor Malfunction |
| B1660 | Center Airbag Sensor |
🧠 Body Control / CAN Communication
| DTC Code | Description |
|---|---|
| U0100 | Lost Comm With ECM/PCM |
| U0121 | Lost Comm With ABS Module |
| U0140 | Lost Comm With Body Control Module |
| B124D | GPS Antenna Disconnected |
| B1271 | Mirror Position Sensor Fault |
| B1324 | Power Seat Comm Error |
| B1421 | Solar Sensor Circuit Fault |
| B2274 | Smart Key Comm Fault |
| U0155 | Lost Comm With Instrument Cluster |
| B1662 | CAN Bus Comm Error |
✅ Final Verdict
The 2009–2010 Acura RL was ahead of its time with SH-AWD and a powerful V6, offering luxury, performance, and respectable handling. However, transmission judder concerns, aging infotainment/electrical quirks, and some drivetrain wear are common with high mileage examples. With proper maintenance, especially timely fluid changes and addressing TSB recalls, the RL remains a compelling luxury sedan choice.








