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Home >> Mazda >> 2021 >> CX-9 Signature >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Air Fuel Ratio (A/F) Sensor Removal/Installation >> PCM Component Installation Note
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PCM Component Installation Note

  1. Install the PCM component using the following procedure:
    1. Return the PCM component that was set aside to its original position.
    2. Temporarily tighten the bolt shown in the figure.
      G11436051Courtesy of MAZDA MOTORS CORP.
    3. Tighten the PCM component installation bolts in the order shown in the figure.
      Fig 1: PCM Component Bolts Tightening Sequence
      G11436052Courtesy of MAZDA MOTORS CORP.

      Tightening torque 

      9-10 N.m {92-101 kgf.cm, 80-88 in.lbf}

    4. Install the wiring harness protector and connector.
      Fig 2: PCM Component, PCM Wiring Harness, Connector And Bolt With Torque Specification
      G11436053Courtesy of MAZDA MOTORS CORP.
    5. Install the ground cable shown in the figure.
      Fig 3: PCM Component, Ground Cable, Clip And Bolt With Torque Specification
      G11436054Courtesy of MAZDA MOTORS CORP.