1
VERIFY FREEZE FRAME DATA
HAS BEEN RECORDED
z
Has FREEZE FRAME DATA
been recorded?
Yes
Go to next step.
No
Record FREEZE FRAME DATA on the
repair order, then go to next step.
2
VERIFY RELATED REPAIR
INFORMATION AVAILABILITY
z
Verify related Service Bulletins
availability.
z
Is any related Service Bulletins
available?
Yes
Perform repair or diagnosis according to
available Service Bulletins.
z
If vehicle is not repaired, go to next
step.
No
Go to next step.
3
VERIFY RELATED PENDING
CODE OR STORED DTC
z
Verify the related PENDING
CODE or stored DTCs.
z
Are other DTCs present?
Yes
Go to appropriate DTC inspection.
(See
DTC TABLE [MZI-3.5]
.)
No
Go to the next step.
4
INSPECT THE COOLING SYSTEM
z
Inspect the vehicle coolant level.
z
Is the cooling system normal?
Yes
Go to the next step.
No
Inspect the cooling system (overheat), the
go to Step 7.
5
INSPECT CHT SENSOR
z
Inspect the CHT sensor.
(see
CYLINDER HEAD
TEMPERATURE (CHT)
SENSOR INSPECTION [MZI-
3.5].
)
z
Is there any malfunction?
Yes
Replace the CHT sensor, then go to Step 7.
No
Go to the next step.
6
INSPECT FOR CORRECT PCM
OPERATION
z
Disconnect all the PCM
connectors.
z
Visually inspect for:
{
Pushed out pins
{
Corrosion
z
Connect all the PCM connectors
and verify that they seat correctly.
z
Retrieve DTCs using the M-MDS.
z
Is the PENDING CODE for this
Yes
Go to the next step.
No
The system is correctly. 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 9:26:36 AM
Page 351
© 2005 Mitchell Repair Information Company, LLC.