Mazda CX-9 Grand Touring 2009 Manual page 1188

2008 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.7) - Mazda CX-9
Has FREEZE FRAME DATA been
1
recorded?
VERIFY RELATED REPAIR
INFORMATION AVAILABILITY
Verify related Service Bulletins
2
availability.
Is any related Service Bulletins
available?
VERIFY RELATED PENDING CODE OR
STORED DTC
3
Verify the related PENDING CODE or
stored DTCs.
Are other DTCs present?
INSPECT THE COOLING SYSTEM
4
Inspect the vehicle coolant level.
Is the cooling system normal?
INSPECT CHT SENSOR
Inspect the CHT sensor. (See
CYLINDER HEAD
5
TEMPERATURE (CHT) SENSOR
INSPECTION [MZI-3.7] .)
Is there any malfunction?
INSPECT FOR CORRECT PCM
OPERATION
Disconnect all the PCM connectors.
Visually inspect for:
Pushed out pins
6
Corrosion
Connect all the PCM connectors and
verify that they seat correctly.
Retrieve DTCs using the M-MDS.
Is the PENDING CODE for this DTC
present?
VERIFY TROUBLESHOOTING OF DTC
P1288 HAS BEEN COMPLETED
Verify that all disconnected connectors
reconnected.
2008 Mazda CX-9 Grand Touring
Record FREEZE FRAME DATA on the repair
No
Perform repair or diagnosis according to
available Service Bulletins.
Yes
No
Go to appropriate DTC inspection. (See DTC
Yes
TABLE [MZI-3.7].)
No
Yes Go to the next step.
Inspect the cooling system (overheat), the go
No
Yes Replace the CHT sensor, then go to Step 7.
No
Yes Go to the next step.
No The system is correctly. Go to the next step.
Yes
Replace the PCM, then go to the next step.
(See PCM REMOVAL/INSTALLATION
order, then go to next step.
If vehicle is not repaired, go to next step.
Go to next step.
Go to the next step.
to Step 7.
Go to the next step.