OIL CONTROL VALVE (OCV) INSPECTION [L8, LF]

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Coil Resistance Inspection

1.  Remove the battery cover. (See BATTERY REMOVAL/INSTALLATION [L8, LF].)

2.  Disconnect the negative battery cable. (See BATTERY REMOVAL/INSTALLATION [L8, LF].)

3.  Disconnect the OCV connector.

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

•  If not as specified, replace the OCV. (See OIL CONTROL VALVE (OCV) REMOVAL/INSTALLATION [L8, LF].)

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5.  Connect the OCV connector.

Spool Valve Operation Inspection

1.  Remove the battery cover. (SeeBATTERY REMOVAL/INSTALLATION [L8, LF].)

2.  Disconnect the negative battery cable. (See BATTERY REMOVAL/INSTALLATION [L8, LF].)

3.  Remove the OCV. (See OIL CONTROL VALVE (OCV) REMOVAL/INSTALLATION [L8, LF].)

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

•  If not as specified, replace the OCV. (See OIL CONTROL VALVE (OCV) REMOVAL/INSTALLATION [L8, LF].)

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5.  Verify that the battery is fully charged.

•  If not as specified, recharge the battery. (See BATTERY INSPECTION [L8, LF].)

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

•  If not as specified, replace the OCV. (See OIL CONTROL VALVE (OCV) REMOVAL/INSTALLATION [L8, LF].)

Note

•  When applying battery positive voltage between the 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

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

•  If not as specified, replace the OCV. (See OIL CONTROL VALVE (OCV) REMOVAL/INSTALLATION [L8, LF].)