Acura RLX Service Manual

The Acura RLX Service Manual provides comprehensive technical information for servicing and maintaining the Acura RLX luxury sedan. This manual covers vehicle specifications, maintenance procedures, diagnostic troubleshooting, repair instructions, and technical data for various systems including engine, transmission, suspension, brakes, electrical, and electronic systems. Below are key sections for vehicle overview, maintenance schedules, technical specifications, diagnostic procedures, and repair guidelines.

1. Vehicle Overview 2. Maintenance Schedules 3. Technical Specifications 4. Engine Systems 5. Transmission Systems 6. Brake Systems 7. Suspension & Steering 8. Electrical Systems 9. Diagnostic Procedures 10. Safety Precautions 11. Troubleshooting Guide

Vehicle Overview

The Acura RLX is a premium luxury sedan featuring advanced technologies including Precision All-Wheel Steer (P-AWS), Jewel Eye LED headlights, and AcuraLink connectivity.

SystemDescription
Engine3.5L V6 i-VTEC with Variable Cylinder Management
Transmission10-speed automatic with paddle shifters
DrivetrainFront-wheel drive with P-AWS
Brakes4-wheel disc brakes with ABS and EBD
SuspensionAmplitude Reactive Dampers
SteeringElectric Power Steering with P-AWS
Electrical12V system with smart entry
EntertainmentAcura/ELS Studio Premium Audio System
SafetyAcuraWatch suite of safety features
DimensionsOverall length: 196.1 inches, Wheelbase: 112.2 inches

Maintenance Schedules

Follow recommended maintenance intervals to ensure optimal vehicle performance and longevity.

  1. Oil and filter change: Every 7,500 miles or 12 months
  2. Tire rotation: Every 7,500 miles
  3. Brake fluid replacement: Every 3 years
  4. Engine air filter: Every 30,000 miles
  5. Cabin air filter: Every 15,000 miles
  6. Spark plug replacement: Every 105,000 miles
  7. Transmission fluid: Every 60,000 miles
  8. Coolant replacement: Every 120,000 miles or 10 years

WARNING! Always use genuine Acura parts and fluids for maintenance. Failure to follow maintenance schedules may void warranty.

Technical Specifications

Engine Systems

The 3.5L V6 engine features i-VTEC technology and Variable Cylinder Management for optimal performance and efficiency.

Service Procedures: Oil change, spark plug replacement, timing belt inspection, coolant system service, air intake system maintenance.

Engine Control: PCM programming, sensor diagnostics, fuel system service, emission control systems. Maintenance: Regular oil changes with 0W-20 synthetic oil, air filter replacement, coolant level checks.

Transmission Systems

10-speed automatic transmission with SportShift and paddle shifters for manual control.

  1. Fluid service: Drain and fill procedure
  2. Filter replacement: Internal transmission filter
  3. Adaptive learning: Transmission control module reset
  4. Shift solenoid testing: Diagnostic procedures
  5. Transmission mount inspection: Visual and physical check

Tip: Use only Honda ATF DW-1 transmission fluid. Incorrect fluid may cause transmission damage.

Brake Systems

Four-wheel disc brakes with Anti-lock Braking System (ABS), Electronic Brake Distribution (EBD), and Brake Assist.

  1. Brake pad replacement: Front and rear procedures
  2. Rotor service: Measurement and replacement criteria
  3. Brake fluid bleeding: Manual and pressure methods
  4. ABS module diagnostics: Scan tool procedures
  5. Parking brake adjustment: Cable tension setting
  6. Brake caliper service: Inspection and rebuilding
  7. Sensor replacement: Wheel speed sensors
  8. System testing: Road test procedures

WARNING! Always replace brake components in axle sets. Test brake system after service.

Suspension & Steering

Amplitude Reactive Dampers and Precision All-Wheel Steer (P-AWS) for superior handling and ride comfort.

Electrical Systems

Comprehensive 12V electrical system with smart charging, multiple control modules, and advanced entertainment systems.

Diagnostic Procedures

Use Acura diagnostic software and scan tools for accurate troubleshooting of all vehicle systems.

Safety Precautions

Always follow safety procedures when working on vehicles. Use proper lifting equipment and personal protective equipment.

CAUTION! Disconnect battery before electrical work. Use jack stands when lifting vehicle.

Troubleshooting Guide

SymptomPossible CauseCorrective Action
Engine won't startBattery/ignition/fuelCheck battery voltage; test starter; verify fuel delivery.
Transmission shifting hardFluid level/solenoidsCheck fluid level and condition; test shift solenoids.
Brake vibrationWarped rotorsMeasure rotor thickness and runout; replace if out of spec.
Electrical issuesBattery/alternatorLoad test battery; check alternator output; inspect grounds.
Steering concernsP-AWS systemScan for DTCs; check P-AWS module communication.

Reset Procedures: Battery disconnect for system reset. Scan tool for module programming.

Technical Support: Contact Acura Technical Service Center for advanced diagnostics.

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