Mazda CX-9 Grand Touring 2009 Manual page 896

2008 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.7) - Mazda CX-9
Stop the engine.
Remove the front cover.
Is the camshaft timing mark at the
correct point?
3
(See TIMING CHAIN
REMOVAL/INSTALLATION
[MZI-3.7] .)
INSPECT OCV (RH)
Inspect the OCV (RH).
4
(See OIL CONTROL VALVE
(OCV) INSPECTION [MZI-3.7] .)
Is there any malfunction?
VERIFY TROUBLESHOOTING OF
DTC P0011 HAS BEEN COMPLETED
Make sure to reconnect all
disconnected connectors.
Clear the DTC from the PCM memory
5
using the M-MDS.
Turn the ignition switch off.
Start the engine and warm it up
completely.
Is the same DTC present?
VERIFY AFTER REPAIR PROCEDURE
Perform the "AFTER REPAIR
PROCEDURE".
6
(See AFTER REPAIR
PROCEDURE [MZI-3.7].)
Are any DTCs present?
DTC P0012 [MZI-3.7]
DTC P0012 (MZI-3.7) DETECTION CONDITIONS AND POSSIBLE CAUSES
DTC P0012 CMP timing over-retarded (RH)
DETECTION
CONDITION
2008 Mazda CX-9 Grand Touring
The PCM monitors the variable valve timing position for over-retarded
camshaft timing. The test fails when the camshaft timing exceeds a maximum
Yes Go to the next step.
No Reinstall the timing chain, then go to Step 5.
Replace the OCV (RH), then go to the next
Yes step. (See OIL CONTROL VALVE (OCV)
REMOVAL/INSTALLATION [MZI-3.7] .)
No Go to the next step.
Replace the PCM, then go to the next step. (See
Yes PCM REMOVAL/INSTALLATION [MZI-
3.7] .)
No Go to the next step.
Go to the applicable DTC inspection. (See DTC
Yes
TABLE [MZI-3.7].)
No Troubleshooting completed.