Mazda CX-9 Grand Touring 2009 Manual page 1025

2008 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.7) - Mazda CX-9
POSSIBLE CAUSE
DIAGNOSTIC PROCEDURE
DTC P0315 (MZI-3.7) DIAGNOSTIC PROCEDURE
STEP
VERIFY FREEZE FRAME DATA HAS
BEEN RECORDED
1
Has FREEZE FRAME DATA been
recorded?
VERIFY RELATED REPAIR
INFORMATION AVAILABILITY
Verify related Service Bulletins and/or
2
on-line repair information availability.
Is any related Service Bulletins
available?
VERIFY RELATED PENDING CODE
OR STORED DTCs
Turn the ignition switch off then to the
3
ON position (Engine off).
Verify related pending code or stored
DTCs.
Are other DTCs present?
INSPECT PHYSICAL CONDITION OF
CRANKSHAFT PULSE WHEEL
NOTE:
DTC P0315 is set when the PCM is
unable to learn and correct for the
mechanical variations in the
crankshaft pulse wheel tooth spacing
4
(the allowable correction tolerances
are exceeded).
Inspect the crankshaft pulse wheel for
damaged teeth.
Inspect the crankshaft pulse wheel for
wobble.
2008 Mazda CX-9 Grand Touring
monitor.
Crankshaft pulse wheel teeth malfunction
CKP sensor malfunction
INSPECTION ACTION
Yes Go to the next step.
Record FREEZE FRAME DATA on the repair
No
order, then go to the next step.
Perform repair or diagnosis according to the
available Service Bulletins.
Yes
If the vehicle is not repaired, go to the
next step.
No Go to the next step.
Go to the appropriate DTC troubleshooting.
Yes
(See DTC TABLE [MZI-3.7].)
No Go to the next step.
Yes Go to the next step.