Mazda 3 manuals

Mazda 3 Service Manual: Oil Control Valve (OCV) Inspection [Mzr 2.0, Mzr 2.5]

Mazda 3 Service Manual / Engine / Lubrication / Oil Control Valve (OCV) Inspection [Mzr 2.0, Mzr 2.5]

Coil Resistance Inspection

1. Remove the battery cover..

2. Disconnect the negative battery cable..

3. Remove the plug hole plate..

4. Disconnect the OCV connector.

5. Measure the resistance between terminals A and B using an ohmmeter.


6. Install in the reverse order of removal.

Spool Valve Operation Inspection

1. Remove the OCV..

2. Verify that the spool valve in the OCV is in the maximum valve timing retard position as indicated in the figure.


3. Verify that the battery is fully charged..

NOTE:


4. Apply battery positive voltage between the OCV terminals and verify that the spool valve operates and moves to the maximum valve timing advance position.


5. Stop applying battery positive voltage and verify that the spool valve returns to the maximum valve timing retard position.

6. Install the OCV..

Front Oil Seal Replacement [Mzr 2.0, Mzr 2.5]
1. Remove the battery cover.. 2. Disconnect the negative battery cable.. 3. Remove the plug hole plate.. 4. Disconnect the wiring harness. 5. Remove the ignition coils.. 6. Remove the spark ...

Oil Control Valve (OCV) Removal/Installation [Mzr 2.0, Mzr 2.5]
1. Remove the battery cover.. 2. Disconnect the negative battery cable.. 3. Remove the plug hole plate.. 4. Disconnect the wiring harness. 5. Remove the ignition coils.. 6. Remove the ventil ...

Other materials:

Brake Fluid Pressure Sensor Inspection
1. Switch the ignition to off. 2. Install the SSTs to the master cylinder (secondary side) as shown in the figure. NOTE: When installing the SST (49 D043 0A0) to the master cylinder, use a commercially available flare nut wrench (flare nut across flat 12 mm {0.47 in}). ...

Brake Switch Inspection
CAUTION: Inspect the brake switch with it installed to the brake pedal, otherwise the brake switch may not operate normally. If the brake switch is removed from the brake pedal, replace the brake switch with a new one. 1. Disconnect the brake switch connector. 2. Verify that th ...

Rear Window Glass Installation
WARNING: Using a utility knife with bare hands can cause injury. Always wear gloves when using a utility knife. CAUTION: Proper installation of the glass may be difficult if sealant is cracked or the glass is pushed out by air pressure when a door is opened/closed with al ...

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