DTC P0301, P0302, P0303, P0304, P0305, P0306, P0316 [MZI-3.7]
DTC P0301, P0302, P0303, P0304, P0305, P0306, P0316 (MZI-3.7) DETECTION CONDITIONS AND
POSSIBLE CAUSES
z
Remove the radiator cap.
z
Implement the procedure to bleed air
from the engine coolant, then run the
engine at idle
z
Are there any small bubbles which
make the engine coolant white at the
filling opening?
NOTE:
z
Large bubbles are normal
since they are remaining air
coming from the engine
coolant passage.
No
Go to the next step.
18
VERIFY TROUBLESHOOTING OF
DTC P0300 HAS BEEN COMPLETED
z
Verify that all disconnected
connectors are reconnected.
z
Clear the DTC from the PCM
memory using the M-MDS.
z
Perform the KOER SELF TEST
using the M-MDS. (See
KOEO/KOER SELF TEST [MZI-
3.7]
.)
z
Is the PENDING CODE for this
DTC present?
Yes
Replace the PCM, then go to the next step. (See
PCM REMOVAL/INSTALLATION [MZI-
3.7]
.)
No
Go to the next step.
19
VERIFY AFTER REPAIR
PROCEDURE
z
Perform the "AFTER REPAIR
PROCEDURE". (See
AFTER
REPAIR PROCEDURE [MZI-
3.7]
.)
z
Are any DTC present?
Yes
Go to the applicable DTC inspection. (See
DTC
TABLE [MZI-3.7]
.)
No
Troubleshooting completed.
DTC P0301 P0301: Cylinder No.1 misfire detected
DTC P0302 P0302: Cylinder No.2 misfire detected
DTC P0303 P0303: Cylinder No.3 misfire detected
DTC P0304 P0304: Cylinder No.4 misfire detected
2008 Mazda CX-9 Grand Touring
2008 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.7) - Mazda CX-9
Microsoft
Sunday, November 15, 2009 10:08:36 AM
Page 156
© 2005 Mitchell Repair Information Company, LLC.
