Visual Inspection

WARNING: This page is about a different car, the 2010 Mazda 3. However, it is still accessible from the selected car via links, so may be relevant.

Remove the battery cover. (See BATTERY REMOVAL/INSTALLATION [L3 WITH TC] .) f
Disconnect the negative battery cable.
Disconnect the MAF/IAT sensor connector.
Remove the MAF/IAT sensor. (See INTAKE-AIR SYSTEM REMOVAL/INSTALLATION .)
Visually inspect the MAF/IAT sensor for the following:
- Damage, cracks, soiling
- Rusted sensor terminal
- Bent sensor terminal
  - If there is any malfunction, repair or replace the MAF/IAT sensor.
    (See INTAKE-AIR SYSTEM REMOVAL/INSTALLATION .)