2009-2010 Acura RL Repair Manual

$16.90

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 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.

🛠️ Take control of your Acura RL repairs. Download your PDF copy today and get dealer-grade information at your fingertips!

File Format PDF
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


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 : 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


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 Acura parts to ensure quality, safety, and reliability.

🚘 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)

  1. 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}
  2. Premature Brake Wear
    Root Cause: Heavy SH-AWD system weight increases brake load.
    Fix: Upgrade to high-performance pads/rotors and inspect calipers regularly.
  3. Steering Shaft/Universal Joint Play
    Root Cause: Wear in intermediate steering shaft joints.
    Fix: Replace worn U-joints or shaft sub-assembly.
  4. Oil Leaks (Rear Main Seal)
    Root Cause: Age-related seal degradation.
    Fix: Replace rear main seal and inspect crankcase breather hoses.
  5. Wheel Bearing/Hub Noise
    Root Cause: Bearing wear or contamination.
    Fix: Replace wheel bearing/hub assembly.
  6. Water Pump Leak
    Root Cause: Age and coolant corrosion.
    Fix: Replace water pump and use proper Honda-approved coolant.
  7. Exhaust Manifold Heat Shield Rattle
    Root Cause: Heat shield bolts loosen over time.
    Fix: Tighten or replace heat shield and fasteners.
  8. Suspension Bushing Wear
    Root Cause: High mileage suspension loads.
    Fix: Replace worn bushings/control arms.
  9. Rear Differential Noise
    Root Cause: SH-AWD rear diff wear or low fluid.
    Fix: Change fluid at intervals; inspect/replace differential gears as needed.
  10. 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)

  1. Navigation Screen Freeze/Reset
    Root Cause: Old navigation unit firmware and heat exposure.
    Fix: Update navigation firmware; replace display head unit if persistent.
  2. Backup Camera Intermittent
    Root Cause: Corroded camera connector or cable harness wear.
    Fix: Clean/repair connectors; replace camera module if needed.
  3. Malfunction Indicator Light (MIL) False Codes
    Root Cause: Faulty oxygen sensors or EVAP sensor intermittence.
    Fix: Diagnostic-scan and replace affected sensor.
  4. Bluetooth/Audio Sync Issues
    Root Cause: Aging infotainment architecture.
    Fix: Update Bluetooth module software; consider aftermarket infotainment upgrade if necessary.
  5. Electric Power Steering (EPS) Noise
    Root Cause: Worn EPS motor gears/brackets.
    Fix: Replace EPS motor assembly or mount bushings.
  6. Interior Lighting Failures
    Root Cause: Loose connectors or burnt LEDs.
    Fix: Check and reseat connectors; replace bulbs/LED modules.
  7. Climate Control Display Glitches
    Root Cause: Faulty HVAC control unit.
    Fix: Replace HVAC control head/module.
  8. Door Lock Actuator Failure
    Root Cause: Mechanical wear or water intrusion.
    Fix: Replace door lock actuator assemblies.
  9. Battery Drain (Parasitic Load)
    Root Cause: Aftermarket accessories or BCM glitches.
    Fix: Isolate parasitic source; update BCM software; replace faulty modules.
  10. 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.