2023 Mazda MX-5 Service and Repair Manual

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Covers all 2023 MX-5 trims — I Sport Convertible 2-Door, i Grand Touring Convertible 2-Door ·
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2023 Mazda MX-5 service and repair manual — a detailed, factory-style reference for maintenance, diagnostics, and repair. Use it to confirm correct procedures, specifications, and system coverage before you start work.

Designed for technicians and DIY owners, this manual helps you diagnose issues correctly, follow proven repair steps, and use wiring diagrams and system sections to track faults faster.

What’s included

  • Step-by-step repair procedures and service information
  • Specifications and reference data (where provided)
  • Electrical diagnostics with wiring diagrams
  • Coverage across major systems: engine, transmission/driveline, brakes, steering, suspension, HVAC, and more

Trims covered

  • I Sport Convertible 2-Door
  • i Grand Touring Convertible 2-Door

Engines covered

  • 2.0L 1998CC 122Cu. In. l4 GAS DOHC Naturally Aspirated

Index / Table of contents

  • Body
  • Brakes
  • Chassis Electrical
  • Driveline
  • Engine Cooling
  • Engine Electrical
  • Engine Mechanical
  • Engine Performance & Emission Controls
  • Fuel System
  • General Information & Identification
  • Heating, Ventilation, & Air Conditioning
  • Hybrid & Electric Vehicle Systems
  • Steering
  • Suspension
  • Transmission, Clutch, & Transfer Case
  • Wiring Diagrams
NHTSA #24V69500018/09/2024Component: AIR BAGS: AIR BAG/RESTRAINT CONTROL MODULE:SOFTWARE

Mazda North American Operations (Mazda) is recalling certain 2016-2023 MX-5 Miata vehicles. A software error in the air bag control module may cause the front air bags to deploy with excessive force

Consequence

An air bag that deploys with excessive force can increase the risk of injury during a crash.

Remedy

Dealers will update the Sophisticated Air Bag Sensor (SAS) control module software, free of charge.

TSB #11033446

This SA supersedes the previously issued SA(s) listed below. The changes are noted below in Red. SA-029/25 10/16/25 and 06/02/25 DESCRIPTION This service information provides testing and charging procedures in order to promote proper batter

TSB #11032104

DESCRIPTION Some vehicles may require the replacement of a damaged VIN plate or vehicle certification label. To obtain a replacement VIN plate (bulkhead-mounted and visible through the lower-left area of the windshield), contact DAG (Dealer

TSB #11032103

This Service Alert supersedes the previously issued SA listed below: The changes are noted in Red. SA-011/24 02/12/24, 06/06/24, 07/29/24 DESCRIPTION Mazda has developed factory recommended scheduled maintenance services that support all ma

TSB #11032102

This SA supersedes the previously issued bulletin(s) listed below. The changes are noted below in Red. SA-007/25 10/22/25, 06/02/25 and 02/03/25 DESCRIPTION The Mazda DCA-8000 is required for all warranty battery testing. If the Mazda DCA-8

TSB #11032101

This Service Alert supersedes the previously issued M-Tip(s) listed below. The changes are noted in Red text. MT-002/19 09/30/19 and 12/19/19 DESCRIPTION If an engine assembly is replaced after a catastrophic internal mechanical failure, cl

TSB #11030636

This Service Alert supersedes the previously issued SA(s) and TSB(s) listed below: The changes are noted in Red. SA-035/24 05/31/24 DESCRIPTION There is a concern that some water pumps are being replaced that are not faulty, due to signs of

TSB #11028133

There are currently 2 methods for cutting a new auxiliary key blank. A. Auxiliary Key Trace Cut Method B. Auxiliary Key Code Cut Method 2019 and newer models require a 10-digit key code to accurately cut keys 5-digit codes CANNOT be provide

TSB #11028127

Some customers may report an odor or water in the HVAC system and upon inspection, the cabin air filter may be found to be wet.

Showing the 8 most recent of 114 technical service bulletins on file with NHTSA.

20250606Component: AIR BAGSCrash reported1 injured

On [XXX] my [XXX] son was driving the vehicle and at low speed (30 mph or under) lost control of the vehicle in a turn. The vehicle hit a telephone pole that was rotted from termite infestation which

20260401Component: STEERING

Steering feels sticky at higher speeds, once the vehicle is at full operating temp. The steering requires some pressure to “break free” from whatever position it is in. If I’m continually moving

20250922Component: POWER TRAIN

Manual transmission will not reliably shift from 2nd to 3rd gear without a grinding noise. Other owners are reporting similar issues that have required a full replacement of the transmission in MY202

20250131Component: POWER TRAIN

My vehicle has only 8700 miles. At around 2500 miles first gear refused to engage, and I had to start the car in second for a week. That week I scheduled for service but the problem was not reproduci

20241029Component: UNKNOWN OR OTHER

Dear, I’m writing to address the delayed response to the recall for my Mazda MX-5, which began on September 18. It has been nearly two months without any remedy or guidance from the manufacturer. As

Showing the 5 most serious of 8 complaints filed with NHTSA.

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