1. Disconnect the negative battery cable.
2. Remove the OCV. (See
OIL CONTROL VALVE (OCV) REMOVAL/INSTALLATION [MZI-3.5]
.)
3. Verify that the spool valve in the OCV is in the maximum valve timing retard position as indicated in the
figure.
z
If not as specified, replace the OCV.
4. Verify that the battery is fully charged.
z
If not as specified, recharge the battery.
Fig. 143: Identifying Spool Valve
Courtesy of MAZDA MOTORS CORP.
5. Apply battery positive voltage between the OCV terminals and verify that the spool valve operates and
moves to the maximum valve timing advance position.
Fig. 144: Identifying OCV Connector Terminals
Courtesy of MAZDA MOTORS CORP.
z
If not as specified, replace the OCV.
NOTE:
z
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
2007 Mazda CX-9 Grand Touring
2007 ENGINE Mechanical (MZI-3.5) - CX-9
Microsoft
Sunday, November 15, 2009 9:19:28 AM
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