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Home >> Mazda >> 2006 >> 6 s, 4D Wagon, Automatic >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 12 (Engine Mechanical [Service Information L3 With TC)) >> Oil Control Valve (OCV) Inspection >> Spool Valve Operation Inspection

Spool Valve Operation Inspection

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  1. Disconnect the negative battery cable.
  2. Remove the OCV.
  3. Verify that the spool valve inside the OCV is at the maximum valve timing retard position as shown in the figure.
    • If there is any malfunction, replace the OCV.
  4. Verify that the battery is completely charged.
    Fig 1: Identifying Spool Valve - Maximum Valve Timing Retard Position
    G04324486Courtesy of MAZDA MOTORS CORP.
  5. When battery positive voltage is applied between OCV terminals A and B, verify that the spool valve moves to the maximum valve timing retard position.
    • If there is any malfunction, replace the OCV.
      Fig 2: Identifying Spool Valve - Maximum Valve Timing Retard Position
      G04324487Courtesy of MAZDA MOTORS CORP.
      NOTE:
      • When applying battery positive voltage between the OCV terminals, the connection of the positive and negative cables can be either terminal A or B.
  6. Stop applying battery positive voltage and verify that the spool valve returns to the maximum valve timing advance position.
    • If there is any malfunction, replace the OCV.
  7. Install the OCV.
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