Pcm Removal/Installation

1. Disconnect the negative battery cable.
2. Disconnect the connector from the PCM installed on the upper part of the brake pedal.
3. Remove the bolt and nut holding the PCM.
   Fig 1: Locating PCM Installation Bolt

   Courtesy of MAZDA MOTORS CORP.
   1. Push the harness (PCM harness) installed to the brake pedal bracket in the opposite direction of the brake pedal bracket.
   2. While pushing the harness, push the stay until it comes apart from the stud with the PCM installation nut.
      Fig 2: Removing Stay With Installation Nut

      Courtesy of MAZDA MOTORS CORP.
   3. Remove the PCM installation nut.
      Fig 3: Locating Stud & PCM Installation Nut

      Courtesy of MAZDA MOTORS CORP.
4. Install in the reverse order of removal.

Tightening torque 

1. Bolt, nut: 7.9-10.7 N.m {80-110 kgf.cm, 70-95.4 in.lbf}