LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Mazda >> 2003 >> MPV ES >> Repair and Diagnosis >> Engine Performance >> Ignition System >> Engine Controls [Removal & Installation] >> Computerized Engine Controls >> Powertrain Control Module >> Removal & Installation (Miata)
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Removal & Installation (Miata)

  1. Disconnect the negative battery cable.
  2. Disconnect the harness connector from the PCM installed on the upper part of the brake pedal.
  3. Remove the bolt and nut holding the PCM. See Fig 1.
  4. Push the PCM harness, attached to the brake pedal bracket, in the opposite direction of the brake pedal bracket. See Fig 2.
  5. While pushing the harness, push the stay until it comes apart from the stud with the PCM installation nut.
  6. Remove the PCM installation nut. See Fig 3.
Fig 1: Removing & Installing PCM - Miata (1 Of 3)
G00256239Courtesy of MAZDA MOTORS CORP.
Fig 2: Removing & Installing PCM - Miata (2 Of 3)
G00256238Courtesy of MAZDA MOTORS CORP.
Fig 3: Removing & Installing PCM - Miata (3 Of 3)
G00256240Courtesy of MAZDA MOTORS CORP.