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:

Windshield Removal
1. Disconnect the negative battery cable. 2. Remove the following parts: a. Windshield wiper arm and blade. b. Cowl grille. c. Rain sensor (Vehicles with auto light/wiper system). d. Auto-dimming mirror (Vehicles with auto-dimming mirror). e. Rear view mirror (Vehicles without auto-dimmi ...

Front Bumper Disassembly/Assembly
Standard Type Except SKYACTIV-G 2.0 1. Disassemble in the order indicated in the table. 1 Screw A 2 Guard cover 3 Screw B 4 Fastener C 5 Intake air guide ...

Variable Valve Timing Actuator Inspection [Mzr 2.0, Mzr 2.5]
CAUTION: Variable valve timing actuator can not be disassembled because it is a precision unit. 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. Remo ...

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