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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 759 (Engine Mechanical (Service Information)) >> Oil Control Valve (OCV) Inspection [L3] >> Coil Resistance Inspection

Coil Resistance Inspection

WARNING: This page is about a different car, the 2004 Mazda 3. However, it is still accessible from the selected car via links, so may be relevant.
  1. Disconnect the negative battery cable.
  2. Remove the plug hole plate. (See PLUG HOLE PLATE REMOVAL/INSTALLATION .)
  3. Disconnect the oil control valve connector.
  4. Measure the resistance between terminals A and B using an ohmmeter.
    • If not as specified, replace the oil control valve.

    Specification 

    6.9-7.9 ohms [20°C {68°F}] 

  5. Connect the oil control valve connector.
  6. Install the plug hole plate. (See PLUG HOLE PLATE REMOVAL/INSTALLATION .)
  7. Connect the negative battery cable.
    Fig 1: Identifying Oil Control Valve Connector Terminals
    G00973797Courtesy of MAZDA MOTORS CORP.
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