Acura TL 2004-2008 Electrical Specifications
Detailed technical specifications for the 2004-2008 Acura TL electrical system, including wiring diagrams, fuse box layouts, and electronic control modules. Essential for technicians and enthusiasts.
Electrical Specifications Overview Specifications
This document provides a comprehensive overview of the electrical specifications for the 2004-2008 Acura TL. It includes detailed information on the electrical system, battery, wiring, and lighting components. Use this guide to understand the technical aspects of the vehicle's electrical system, troubleshoot issues, and perform maintenance or repairs. The document is organized into sections for easy navigation, with key specifications highlighted for quick reference.
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To search for specific information, use the browser's find function (Ctrl+F or Cmd+F) and enter relevant keywords. This allows quick access to detailed specifications and technical points.
Navigate through the document by scrolling through the sections. Each major section is clearly labeled, with subsections providing detailed information. Use the quick reference section for fast access to key specifications.
Key Specifications
Battery Voltage
12V
Alternator Output
90 Amps
Headlight Wattage
55W/65W
Fuse Box Types
Blade Fuses (10-40A)
Wiring Gauge
12-14 AWG
Available Specifications
Electrical System Overview
This section provides an overview of the electrical system components, including the battery, alternator, and wiring harness. It also covers the basic electrical architecture and key components that power the vehicle's systems.
Electrical System Overview
This section provides an overview of the electrical system components, including the battery, alternator, and wiring harness. It also covers the basic electrical architecture and key components that power the vehicle's systems.
Battery Specifications
- Battery Type: 51R Maintenance-Free
- Voltage: 12V
- Capacity: 55 Ah (Ampere-Hours)
- Cold Cranking Amps (CCA): 545
- Battery Location: Under the hood, driver's side
Alternator Specifications
- Alternator Type: Belt-Driven
- Output: 90 Amps
- Voltage Regulation: 13.5-14.5V
- Overcharge Protection: Built-in voltage regulator
- Fuse: 40A Alternator Fuse
Wiring and Connectors
This section details the wiring harness, connectors, and circuits used in the 2004-2008 Acura TL. It covers the materials, gauges, and key connectors for various electrical systems.
Wiring and Connectors
This section details the wiring harness, connectors, and circuits used in the 2004-2008 Acura TL. It covers the materials, gauges, and key connectors for various electrical systems.
Wiring Harness
- Material: Copper core with PVC insulation
- Gauge: 12-14 AWG for main circuits
- Color Coding: Standard automotive colors
- Connectors: Weather-sealed for durability
- Lifespan: Designed for long-term reliability
Fuse Box and Relays
- Fuse Box Location: Under the hood and inside the cabin
- Fuse Types: Blade fuses (10-40A)
- Relay Types: Standard automotive relays
- Fuse Layout: Detailed in the owner's manual
- Replacement: Easy-access design
Lights and Accessories
This section covers the electrical specifications for the vehicle's lighting and accessories, including headlight, taillight, and interior lighting systems.
Lights and Accessories
This section covers the electrical specifications for the vehicle's lighting and accessories, including headlight, taillight, and interior lighting systems.
Headlights
- Type: Halogen
- Wattage: 55W Low Beam, 65W High Beam
- Voltage: 12V
- Connector: H11 and H9 bulbs
- Beam Pattern: Aspherical for improved visibility
Interior Lights
- Type: LED and Incandescent
- Wattage: 5W-10W
- Voltage: 12V
- Connectors: Standard automotive plugs
- Features: Delayed shutdown for convenience
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Component Specifications
Overview
- Battery Type
- Maintenance-Free Lead-Acid
- Battery Capacity
- 55 Ah
- Alternator Output
- 90 Amps
- Voltage System
- 12V
- Wiring Harness Material
- Copper core with PVC insulation
- Ecu Type
- Engine Control Unit (ECU) with onboard diagnostics
Dimensions
- Battery Length
- 10.98 in (279 mm)
- Battery Width
- 6.81 in (173 mm)
- Battery Height
- 7.48 in (190 mm)
- Alternator Length
- 6.3 in (160 mm)
- Alternator Width
- 4.3 in (109 mm)
- Alternator Height
- 5.5 in (140 mm)
- Ecu Dimensions
- 7.1 x 4.3 x 2.2 in (180 x 109 x 56 mm)
Materials
- Battery Terminals
- Brass
- Wiring Harness
- Copper with PVC insulation
- Connectors
- Nickel-plated brass
- Alternator Housing
- Aluminum alloy
- Ecu Casing
- Aluminum alloy
Features
- Electrical Features
-
- Power windows with auto-up/down
- Cruise control system
- Remote keyless entry
- Anti-theft immobilizer system
- Driver and passenger power seats
- Convenience Features
-
- Automatic climate control
- Premium audio system with 8 speakers
- CD player with MP3 capability
- Steering wheel-mounted audio controls
- Homelink garage door opener
- Driver Assistance Features
-
- Vehicle Stability Assist (VSA)
- Traction Control System (TCS)
- Electronic Brake Distribution (EBD)
- Brake Assist
- Advanced Compatibility Engineering (ACE) body structure
- Performance Features
-
- Drive-by-Wire throttle system
- Variable Valve Timing (VTEC)
- Programmed Fuel Injection (PGM-FI)
- Dual exhaust system
- Electronic ignition with immobilizer
Safety Features
- Airbag Systems
-
- Dual-stage, multiple-threshold front airbags
- Front side airbags
- Side curtain airbags
- Inflatable front seatbelt tensioners
- Stability Control
-
- Vehicle Stability Assist (VSA)
- Traction Control System (TCS)
- Passive Safety
-
- ACE body structure
- Crushable front and rear crumple zones
- Impact-absorbing steering column
Comfort Features
- interior Lighting
-
- Ambient lighting in door handles and footwells
- LED illuminated gauges
- Automatic dimming rearview mirror
- Trunk and glovebox lighting
- Climate Control
-
- Dual-zone automatic climate control
- Air filtration system
- Rear seat heater ducts
- infotainment
-
- Premium audio system with 8 speakers
- In-dash CD player
- Auxiliary input jack
- Steering wheel audio controls
- Seating
-
- Heated front seats
- 8-way power adjustable driver seat
- 4-way power adjustable passenger seat
- Leather-trimmed interior
Accessories
- installation Kits
-
- Battery terminal cleaner
- Wiring harness repair kit
- Alternator belt replacement kit
- Wiring Accessories
-
- Fuse box with spare fuses
- Relay module
- Connector repair kit
- Diagnostic Tools
-
- OBD-II scan tool
- Multimeter
- Battery tester
Maintenance
- Service interval
-
- Every 15,000 miles (24,000 km)
- Every 30,000 miles (48,000 km)
- Every 60,000 miles (96,000 km)
- Maintenance Items
-
- Battery terminals cleaning
- Alternator belt inspection
- Wiring harness inspection
- Fuse and relay check
- ECU software update
- Notes
-
- Use only genuine parts for replacements
- Check battery electrolyte level every 12,000 miles
- Inspect wiring connections for corrosion
- Replace alternator belt every 90,000 miles
Warranty
- Battery Warranty
- Miles: 60,000 milesYears: 3 yearsCoverage: Free replacement
- Alternator Warranty
- Miles: 100,000 milesYears: 5 yearsCoverage: Replacement or repair
- Wiring Harness Warranty
- Miles: 100,000 milesYears: 5 yearsCoverage: Repair or replacement
- Ecu Warranty
- Miles: 150,000 milesYears: 8 yearsCoverage: Replacement or reprogramming
Production Details
- Manufacturer
- Honda Motor Co., Ltd.
- Manufacturing Process
-
- Robotic welding
- Laser cutting
- Computer-controlled assembly
- Automated testing
- Quality Control
- inspection Checklist: Battery performance test, Alternator output test, Wiring continuity test, ECU functionality testCertification: ISO 9001:2000 certified
- Sustainability Practices
-
- Recyclable materials
- Energy-efficient manufacturing
- Emission reduction processes
- Production Metrics
- Units Produced: Over 150,000 unitsProduction Years: 2004-2008Assembly Plant: Marysville, Ohio, USA
Service Information for Electrical System Service
Recommended maintenance and service requirements for the electrical system
- Inspect battery terminals and connections
- Check alternator belt for wear
- Test battery voltage and charge rate
- Inspect wiring harness for damage or corrosion
- Update ECU software if necessary
Ensure all electrical connections are clean and secure
- Replace alternator belt
- Inspect fuses and relays
- Check ECU for fault codes
- Inspect power seat and window motors
- Clean ground connections
Use only OEM parts for replacements
- Inspect and clean ECU connectors
- Replace battery if capacity is below 75%
- Inspect wiring insulation for cracks
- Test alternator output
- Inspect and clean grounding points
Consider professional inspection for high-mileage vehicles
Frequently Asked Questions
Find answers to common questions about torque specifications
Q1 What is the battery voltage specification for the 2004-2008 Acura TL?
What is the battery voltage specification for the 2004-2008 Acura TL?
The 2004-2008 Acura TL requires a 12-volt battery with a nominal voltage of 12.6V when fully charged. The charging system operates at approximately 13.5-14.5 volts when the engine is running.
Q2 What is the alternator output rating for the 2004-2008 Acura TL?
What is the alternator output rating for the 2004-2008 Acura TL?
The alternator in the 2004-2008 Acura TL has an output rating of 120 amps. This ensures sufficient power for the vehicle's electrical systems, including the headlights, audio system, and climate control.
Q3 How do I reset the TPMS (Tire Pressure Monitoring System) on a 2004-2008 Acura TL?
How do I reset the TPMS (Tire Pressure Monitoring System) on a 2004-2008 Acura TL?
To reset the TPMS, ensure all tires are inflated to the recommended pressure (32 psi for front and rear tires). Turn the ignition to the ON position, press and hold the TPMS reset button (located under the dashboard) until the TPMS light blinks twice, then release the button. The system will recalibrate within a few minutes of driving.
Q4 What is the fuse rating for the headlights on a 2004-2008 Acura TL?
What is the fuse rating for the headlights on a 2004-2008 Acura TL?
The headlights on the 2004-2008 Acura TL are protected by 15-amp fuses. These are located in the under-hood fuse box. Always replace with the same rating to avoid electrical damage.
Q5 What is the recommended procedure for jump-starting a 2004-2008 Acura TL?
What is the recommended procedure for jump-starting a 2004-2008 Acura TL?
To jump-start, connect the red jumper cable to the positive terminal of the dead battery and the donor battery. Connect the black cable to the negative terminal of the donor battery and an unpainted metal surface on the dead vehicle. Start the donor vehicle, then the Acura TL. Disconnect in reverse order. Avoid connecting directly to the negative terminal of the dead battery to prevent sparking.
Factory Service Resources
Access official service manuals, technical documents, and repair guides. These resources provide detailed procedures, specifications, and diagrams directly from the manufacturer.
2004-2008 Acura TL Electrical Wiring Diagrams
Coming SoonDetailed wiring diagrams for all electrical systems, including lighting, audio, and sensors.
Acura TL Battery Replacement Guide
Coming SoonStep-by-step instructions for safely replacing the battery in a 2004-2008 Acura TL.
Alternator Testing and Replacement Procedures
Coming SoonGuidelines for testing alternator output and replacing it if necessary.
TPMS Troubleshooting and Maintenance
Coming SoonComprehensive guide to diagnosing and maintaining the Tire Pressure Monitoring System.
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Technical Information
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