Mazda CX-9 Grand Touring 2009 Manual page 906

2008 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.7) - Mazda CX-9
INFORMATION AVAILABILITY
Verify related Service Bulletins and/or
2
on-line repair information availability.
Is any related Service Bulletins
available?
VERIFY ENGINE OIL PRESSURE
Start the engine.
3
Does the oil pressure warning light
illuminate?
VERIFY TIMING CHAIN
INSTALLATION
Stop the engine.
Remove the front cover.
4
Is the camshaft timing mark at the
correct point?
(See TIMING CHAIN
REMOVAL/INSTALLATION [MZI-
3.7] .)
INSPECT OCV (LH)
Inspect the OCV (LH).
5
(See OIL CONTROL VALVE (OCV)
INSPECTION [MZI-3.7] .)
Is there any malfunction?
VERIFY TROUBLESHOOTING OF DTC
P0022 COMPLETED
Make sure to reconnect all disconnected
connectors.
Clear the DTC from the PCM memory
6
using the M-MDS.
Turn the ignition switch off.
Start the engine and warm it up
completely.
Is the PENDING CODE for this DTC
present?
VERIFY AFTER REPAIR PROCEDURE
2008 Mazda CX-9 Grand Touring
Perform repair or diagnosis according to the
available Service Bulletins.
Yes
No
Inspect the engine oil pressure, then go to
Yes Step 6. (See OIL PRESSURE
INSPECTION [MZI-3.7] .)
No
Yes Go to the next step.
No Reinstall the timing chain, then go to Step 6.
Replace the OCV (LH), then go to the next
Yes
step.
No
Replace the PCM, then go to the next step.
Yes (See PCM REMOVAL/INSTALLATION
[MZI-3.7] .)
No
If the vehicle is not repaired, go to the
next step.
Go to the next step.
Go to the next step.
Go to the next step.
Go to the next step.