DTC P0016, P0018 [MZI-3.7]
DTC P0016, P0018 (MZI-3.7) DETECTION CONDITIONS AND POSSIBLE CAUSES
DIAGNOSTIC PROCEDURE
DTC P0016, P0018 (MZI-3.7) DIAGNOSTIC PROCEDURE
INSPECTION [MZI-3.7]
.)
z
Is there any malfunction?
No
Go to the next step.
6
VERIFY TROUBLESHOOTING OF DTC
P0012 COMPLETED
z
Make sure to reconnect all disconnected
connectors.
z
Clear the DTC from the PCM memory
using the M-MDS.
z
Turn the ignition switch off.
z
Start the engine and warm it up
completely.
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.
7
VERIFY AFTER REPAIR PROCEDURE
z
Perform the "AFTER REPAIR
PROCEDURE".
(See
AFTER REPAIR PROCEDURE
[MZI-3.7]
.)
z
Are any DTCs present?
Yes Go to the applicable DTC inspection. (See
DTC TABLE [MZI-3.7]
.)
No
Troubleshooting completed.
DTC P0016
P0016: CKP-CMP sensor (RH) correlation
DTC P0018
P0018: CKP-CMP sensor (LH) correlation
DETECTION
CONDITION
z
The PCM monitors the variable valve timing position for a misalignment
between the camshaft and crankshaft. The test fails when the misalignment is
more than 1 tooth.
POSSIBLE CAUSE
z
OCV malfunction
z
Camshaft advanced mechanism binding
z
Improper valve timing
STEP
INSPECTION
ACTION
VERIFY FREEZE FRAME DATA HAS
BEEN RECORDED
Yes Go to the next step.
2008 Mazda CX-9 Grand Touring
2008 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.7) - Mazda CX-9
Microsoft
Sunday, November 15, 2009 10:08:34 AM
Page 34
© 2005 Mitchell Repair Information Company, LLC.