2021 Mazda MX-5 Miata Club, Automatic TransFACTORY OEM SERVICE PROCEDURE

Control System Location Index

G13488453Courtesy of MAZDA MOTORS CORP.
COMPONENT DESCRIPTION

1 ECT sensor No. 1
(See ENGINE COOLANT TEMPERATURE (ECT) SENSOR REMOVAL/INSTALLATION .)
(See ENGINE COOLANT TEMPERATURE (ECT) SENSOR INSPECTION .)
2 Ion sensor
(See ION SENSOR REMOVAL/INSTALLATION .)
(See ION SENSOR INSPECTION .)
3 Exhaust CMP sensor
(See CAMSHAFT POSITION (CMP) SENSOR REMOVAL/INSTALLATION .)
(See CAMSHAFT POSITION (CMP) SENSOR INSPECTION .)
4 Intake CMP sensor
(See CAMSHAFT POSITION (CMP) SENSOR REMOVAL/INSTALLATION .)
(See CAMSHAFT POSITION (CMP) SENSOR INSPECTION .)
5 Fuel pressure sensor
(See FUEL PRESSURE SENSOR REMOVAL/INSTALLATION .)
(See FUEL PRESSURE SENSOR INSPECTION .)
6 KS
(See KNOCK SENSOR (KS) REMOVAL/INSTALLATION .)
(See KNOCK SENSOR (KS) INSPECTION .)
7 Vacuum sensor 2
(See VACUUM SENSOR 2 INSPECTION .)
8 MAP sensor/IAT sensor No. 2
(See MANIFOLD ABSOLUTE PRESSURE (MAP) SENSOR/INTAKE AIR TEMPERATURE (IAT) SENSOR NO. 2 REMOVAL/INSTALLATION .)
(See MANIFOLD ABSOLUTE PRESSURE (MAP) SENSOR INSPECTION .)
(See INTAKE AIR TEMPERATURE (IAT) SENSOR INSPECTION .)
9 PCM (BARO sensor)
(See PCM REMOVAL/INSTALLATION .)
(See PCM INSPECTION .)
(See PCM CONFIGURATION (USING READ/WRITE FUNCTION) .)
(See PCM CONFIGURATION (USING AS-BUILT DATA) .)
(See BAROMETRIC PRESSURE (BARO) SENSOR REMOVAL/INSTALLATION .)
(See BAROMETRIC PRESSURE (BARO) SENSOR INSPECTION .)
10 TP sensor
(See THROTTLE POSITION (TP) SENSOR REMOVAL/INSTALLATION .)
(See THROTTLE POSITION (TP) SENSOR INSPECTION .)
11 MAF sensor/IAT sensor No. 1
(See MASS AIR FLOW (MAF) SENSOR/INTAKE AIR TEMPERATURE (IAT) SENSOR NO. 1 REMOVAL/INSTALLATION .)
(See MASS AIR FLOW (MAF) SENSOR INSPECTION .)
(See INTAKE AIR TEMPERATURE (IAT) SENSOR INSPECTION .)
12 ECT sensor No. 2 (U.S.A. and CANADA)
(See ENGINE COOLANT TEMPERATURE (ECT) SENSOR REMOVAL/INSTALLATION .)
(See ENGINE COOLANT TEMPERATURE (ECT) SENSOR INSPECTION .)
G13488455Courtesy of MAZDA MOTORS CORP.
COMPONENT DESCRIPTION

1 CPP switch (MT)
(See CLUTCH PEDAL POSITION (CPP) SWITCH INSPECTION .)
2 APP sensor
(See ACCELERATOR PEDAL POSITION (APP) SENSOR REMOVAL/INSTALLATION .)
(See ACCELERATOR PEDAL POSITION (APP) SENSOR INSPECTION .)
3 Fuel tank pressure sensor (U.S.A. and CANADA)
(See FUEL TANK PRESSURE SENSOR REMOVAL/INSTALLATION .)
(See FUEL TANK PRESSURE SENSOR INSPECTION .)
4 Oil pressure switch
(See OIL PRESSURE SWITCH INSPECTION .)
5 CKP sensor
(See CRANKSHAFT POSITION (CKP) SENSOR REMOVAL/INSTALLATION .)
(See CRANKSHAFT POSITION (CKP) SENSOR INSPECTION .)
6 A/F sensor
(See AIR FUEL RATIO (A/F) SENSOR REMOVAL/INSTALLATION .)
(See AIR FUEL RATIO (A/F) SENSOR INSPECTION .)
7 HO2S
(See HEATED OXYGEN SENSOR (HO2S) REMOVAL/INSTALLATION .)
(See HEATED OXYGEN SENSOR (HO2S) INSPECTION .)
8 Neutral switch (MT)
(See NEUTRAL SWITCH INSPECTION .)
Factory Service Tools

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.

When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.

Rather have a pro handle this?

A certified mobile mechanic comes to your home or office. They bring the tools, you stay comfortable. No tow truck, no waiting room, no surprises.

Comes to youSame-day available12-month warranty
Get a Free Quote

No obligation. See pricing before you book.