available?
3
VERIFY RELATED PENDING
CODE OR STORED DTCs
z
Turn the ignition switch off then
to the ON position (Engine off).
z
Verify related pending code or
stored DTCs.
z
Is other DTCs present?
Yes
Go to the appropriate DTC
troubleshooting.
(See
DTC TABLE [MZI-3.5]
.)
No
Go to the next step.
4
CLEAR AND ATTEMPT TO
RETRIEVE THE DTC
z
Clear the DTC from the PCM
memory using the M-MDS.
z
Turn the ignition switch to the ON
position (Engine running).
z
Run the engine for
approx. 10 s
.
z
Check for continuous memory
DTCs.
z
Is the same DTC present?
Yes
Go to the next step.
No
DTC troubleshooting completed.
5
INSPECT FUEL TANK PRESSURE
AND PCM SENSOR CONNECTOR
FOR POOR CONNECTION
z
Turn the ignition switch off.
z
Disconnect the MAF/IAT sensor
connector.
z
Inspect for poor connection (such
as damaged/pulled-out pins,
corrosion).
z
Are there any malfunction?
Yes
Repair or replace suspected part, then go to
Step 8.
No
Go to the next step.
6
INSPECT THE FUEL TANK
PRESSURE
z
Inspect the MAF sensor.
(see
FUEL TANK PRESSURE
SENSOR INSPECTION [MZI-
3.5]
.)
z
Is there malfunction?
Yes
Replace evaporative hose component, then
go to Step 8.
(see
FUEL TANK
REMOVAL/INSTALLATION [MZI-
3.5]
.)
No
Go to the next step.
7
INSPECT FOR CORRECT PCM
OPERATION
Yes
Go to the next step.
2007 Mazda CX-9 Grand Touring
2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9
Microsoft
Sunday, November 15, 2009 9:26:33 AM
Page 227
© 2005 Mitchell Repair Information Company, LLC.