Mazda CX-9 Grand Touring 2007 Manual page 712

2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9
2.80 V?
8 EVAP SYSTEM LEAK TEST
Connect all disconnected
connectors and hoses.
Perform the EVAP system leak
test.
(see ENGINE CONTROL
SYSTEM OPERATION
INSPECTION [MZI-3.5] .)
Are the test results normal?
9 VERIFY TROUBLESHOOTING OF
DTC P1450 HAS BEEN
COMPLETED
Verify that all disconnected
connectors are reconnected.
Turn the ignition switch to the ON
position (Engine off).
Clear the DTC from the PCM
memory using the M-MDS.
Start the engine and the perform
"EVAP system monitor drive
cycle"
Retrieve DTCs using the M-MDS.
Is the PENDING CODE for this
DTC present?
10 VERIFY AFTER REPAIR
PROCEDURE
Perform "AFTER REPAIR
PROCEDURE".
(See AFTER REPAIR
PROCEDURE [MZI-3.5].)
Are any DTC present?
DTC P145E [MZI-3.5]
DTC P145E (MZI-3.5) DETECTION CONDITION AND POSSIBLE CAUSES
DTC P145E PCV heater control circuit
DETECTION
2007 Mazda CX-9 Grand Touring
This DTC sets when the PCM detects a PCV valve heater circuit
Yes Go to the next step.
No Leakage still exists.
Locate leak point and repair.
Repeat this step.
Yes Replace the PCM, then go to the next step.
(see PCM
REMOVAL/INSTALLATION [MZI-
3.5] .)
No Go to the next step.
Yes Go to the applicable DTC inspection.
(See DTC TABLE [MZI-3.5].)
No Troubleshooting completed.