Mazda CX-9 Grand Touring 2009 Manual page 1089

2008 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.7) - Mazda CX-9
Press STOP (#4) on M-MDS
tester to open the EVMV.
Does the pressure drop
immediately?
INSPECT FOR
MALFUNCTIONING CV
SOLENOID VALVE OR FUEL
7 TANK PRESSURE SENSOR
Were both P0455 and P1443
present at Step 1?
EVAP SYSTEM LEAK TEST
Connect all disconnected
connectors and hoses.
8
Perform the EVAP System Leak
Test. (See ENGINE CONTROL
SYSTEM OPERATION
INSPECTION [MZI-3.7] .)
Are the test results normal?
VERIFY TROUBLESHOOTING OF
DTC P0455 HAS BEEN
COMPLETED
Verify that all disconnected
connectors are reconnected.
Turn the ignition switch to the
ON position (Engine off).
9
Clear the DTC from the PCM
memory using the M-MDS.
Start the engine and run it at idle.
Retrieve DTCs using the M-
MDS.
Is the PENDING CODE for this
DTC present?
VERIFY AFTER REPAIR
PROCEDURE
10
Perform the "AFTER REPAIR
PROCEDURE". (See AFTER
REPAIR PROCEDURE [MZI-
3.7].)
2008 Mazda CX-9 Grand Touring
Replace the CV solenoid valve.
(See CHARCOAL CANISTER, CANISTER
Yes VENT (CV) SOLENOID VALVE, AIR FILTER
COMPONENT REMOVAL/INSTALLATION
[MZI-3.7] .) .) Go to the next step.
Replace the evaporative hose component.
(See FUEL TANK REMOVAL/INSTALLATION
No
Yes Go to the next step.
Leakage still exists. Locate leak point and repair.
No
Replace the PCM, then go to the next step. (See
Yes
PCM REMOVAL/INSTALLATION [MZI-3.7] .)
No
Go to the applicable DTC inspection. (See DTC
Yes
TABLE [MZI-3.7].)
[MZI-3.7] .)
Go to the next step.
Repeat this step.
Go to the next step.