Contents

Toyota 2003 Corolla Owner's Manual (OM12744U)
- Foreword
  - Important information about this manual
  - Important information about your Toyota
- 1. OPERATION OF INSTRUMENTS ANDCONTROLS
  - 1-1 Overview of instruments and controls
  - 1-2 Keys and Doors
  - 1-3 Seats, Seat belts, Steering wheel and Mirrors
  - 1-4 Lights, Wipers and Defogger
  - 1-5 Gauges, Meters and Service reminder indicators
  - 1-6 Ignition switch, Transmission and Parking brake
  - 1-7 Car audio system
  - 1-8 Air conditioning system
  - 1-9 Other equipment
- 2. INFORMATION BEFORE DRIVING YOURTOYOTA
- 3. STARTING AND DRIVING
- 4. IN CASE OF AN EMERGENCY
- 5. CORROSION PREVENTION ANDAPPEARANCE CARE
- 6. VEHICLE MAINTENANCE AND CARE
- 7. DOITYOURSELF MAINTENANCE
  - 7-1 Introduction
  - 7-2 Engine and Chassis
  - 7-3 Electrical components
- 8. SPECIFICATIONS
- 9. REPORTING SAFETY DEFECTS FOR U.S.OWNERS AND UNIFORM TIRE QUALITYGRADING
- Gas station information

Toyota Corolla 2003 Owner's Manual

Pages 252

Year 2003

Language(s)

of 252

Toyota Corolla 2003 Sedan Specification

The 2003 Toyota Corolla Sedan is a compact, four-door vehicle renowned for its reliability, fuel efficiency, and practicality. It is powered by a 1.8-liter, four-cylinder DOHC engine that delivers 130 horsepower at 6,000 RPM and 125 lb-ft of torque at 4,200 RPM. The engine features Variable Valve Timing with intelligence (VVT-i) which optimizes performance and fuel economy. The 2003 Corolla offers both a five-speed manual transmission and a four-speed automatic transmission, catering to different driving preferences.

The sedan's exterior dimensions include an overall length of 178.3 inches, a width of 66.9 inches, and a height of 57.5 inches, with a wheelbase of 102.4 inches. The curb weight ranges from 2,500 to 2,600 pounds, depending on the configuration. The suspension system comprises a front independent MacPherson strut and a torsion beam rear suspension, designed to provide a comfortable and stable ride. The braking system includes front ventilated disc brakes and rear drum brakes, with an anti-lock braking system (ABS) available as an option.

Inside, the 2003 Corolla offers seating for five passengers with a total passenger volume of 90.3 cubic feet. The interior features include a standard air conditioning system, AM/FM stereo with CD player, and tilt steering wheel. Higher trims provide additional amenities such as power windows, power door locks, and remote keyless entry. Safety features encompass dual front airbags, side-impact door beams, and seatbelt pretensioners.

Fuel efficiency is a highlight, with the 2003 Corolla achieving an estimated 28 miles per gallon (mpg) in the city and 36 mpg on the highway. This combination of performance, comfort, and efficiency makes the 2003 Toyota Corolla Sedan a compelling choice for a wide range of drivers.

Toyota Corolla 2003 Sedan F.A.Q.

How often should I change the oil in my 2003 Toyota Corolla?

It is recommended to change the oil every 5,000 miles or 6 months, whichever comes first, to ensure optimal engine performance.

What type of coolant should be used in a 2003 Toyota Corolla?

Use Toyota Long Life Coolant or a high-quality ethylene glycol-based coolant that is compatible with aluminum radiators.

How do I reset the maintenance light on my 2003 Toyota Corolla?

Turn the ignition to the "ON" position without starting the engine. Press and hold the trip meter reset button, then turn the ignition to "OFF". While holding the button, turn the ignition back to "ON" and continue holding the button until the maintenance light turns off.

What is the correct tire pressure for a 2003 Toyota Corolla?

The recommended tire pressure is 30 PSI for both front and rear tires. Check the label inside the driver's door for confirmation.

How can I improve fuel efficiency in my 2003 Toyota Corolla?

Maintain regular service intervals, keep tires properly inflated, reduce excess weight, and drive at steady speeds to improve fuel efficiency.

What should I do if the check engine light comes on in my 2003 Toyota Corolla?

Check for any loose gas cap or other obvious issues. If the light remains on, have a professional diagnostic test performed to identify any underlying issues.

How do I replace a headlight bulb in a 2003 Toyota Corolla?

Open the hood and locate the back of the headlight assembly. Disconnect the power connector, remove the dust cover, and unclip the bulb holder. Replace with a new bulb and reassemble.

What is the towing capacity of a 2003 Toyota Corolla?

The 2003 Toyota Corolla is not designed for towing and does not have an official towing capacity. It is recommended not to tow with this vehicle to avoid damage.

How do I check the transmission fluid in my 2003 Toyota Corolla?

Ensure the car is on a level surface and the engine is warm. Locate the transmission dipstick, remove it, wipe it clean, reinsert it, then remove again to check the fluid level against the marked indicators.

What are common issues with the 2003 Toyota Corolla and how can they be fixed?

Common issues include engine oil consumption, faulty automatic transmission, and worn-out suspension components. Regular maintenance and timely repairs can mitigate these issues.