LEMON Manuals: Even more car manuals for everyone
Home >> Mazda >> 2002 >> Tribute LX, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 148 (Engine Mechanical (Service Information AJ)) >> Oil Control Valve (OCV) Inspection >> Spool Valve Operation Inspection

Spool Valve Operation Inspection

WARNING: This page is about a different car, the 2004 Mazda 6. However, it is still accessible from the selected car via links, so may be relevant.
  1. Disconnect the negative battery cable.
  2. Remove the oil control valve (OCV).
  3. Verify that the spool valve in the oil control valve (OCV) is in the maximum valve timing retard position as indicated in the figure.
    • If not as specified, replace the oil control valve (OCV).
    Fig 1: Loading Spool Valve - Valve Timing Retard
    G01052366Courtesy of MAZDA MOTORS CORP.
  4. Verify that the battery is fully charged.
    • If not as specified, recharge the battery.
  5. Apply battery positive voltage between the oil control valve (OCV) terminals and verify that the spool valve operates and moves to the maximum valve timing advance position.
    • If not as specified, replace the oil control valve (OCV).
    Fig 2: Identifying Oil Control Valve Connector Terminals
    G01052367Courtesy of MAZDA MOTORS CORP.
    NOTE:
    • When applying battery positive voltage between the oil control valve (OCV) terminals, the connection can be either of the following:
    • Positive battery cable to terminal A, negative battery cable to terminal B
    • Positive battery cable to terminal B, negative battery cable to terminal A
    Fig 3: Loading Spool Valve - Valve Timing Advance
    G01052368Courtesy of MAZDA MOTORS CORP.
  6. Stop applying battery positive voltage and verify that the spool valve returns to the maximum valve timing retard position.
scientia non olet · About LEMON Manuals