6. Stop applying battery positive voltage and verify that the spool valve returns to the maximum valve
timing retard position.
z
If not as specified, replace the OCV. (See
OIL CONTROL VALVE (OCV)
REMOVAL/INSTALLATION [MZI-3.5]
.)
7. Install in the reverse order of removal.
Fig. 145: Identifying Spool Valve
Courtesy of MAZDA MOTORS CORP.
ENGINE TUNE-UP [MZL-3.5]
ENGINE TUNE-UP PREPARATION
1. Verify that the selector lever is in the P position.
2. Connect the M-MDS to the DLC-2.
3. Turn off the electrical loads.
4. Verify that no DTCs are available.
5. Warm up the engine as follows.
1. Start the engine.
2. Perform no-load racing at
2,500-3,000 rpm
for
3 min.
(ECT is approx.
80°C {176 °F}
or more)
3. Release the accelerator pedal.
4. Wait until the cooling fans stop.
terminal A
NOTE:
z
If the accelerator pedal is depressed continuously for a specified time, the
engine speed may decrease to the idle speed. This is due to the fuel cut
control operation, which prevents overheating, and it does not indicate a
malfunction.
2007 Mazda CX-9 Grand Touring
2007 ENGINE Mechanical (MZI-3.5) - CX-9
Microsoft
Sunday, November 15, 2009 9:19:28 AM
Page 91
© 2005 Mitchell Repair Information Company, LLC.