BETWEEN FUEL TANK VAPOR
TUBE AND FUEL TANK FILLER
PIPE
z
Transfer the plug from the fuel
vapor hose joint to the fuel tank
vapor tube.
z
Pressurize EVAP system to 3.48
kPa (PID FTP_H2O displays
"14").
z
Using the ultrasonic leak detector,
check the fuel tank vapor tube to
the fuel tank for leaks. Check the
FTP sensor, fuel tank vapor tube
and the fuel-filler pipe.
z
Is a leak detected?
the next step.
No
Reconnect the fuel vapor tube to the fuel
vapor hose joint. Go to Step 12.
12
EVAP SYSTEM LEAK TEST
z
Connect all disconnected
connectors and hoses.
z
Perform the EVAP System Leak
Test.
(see
ENGINE CONTROL
SYSTEM OPERATION
INSPECTION [MZI-3.5]
.)
z
Are the test results normal?
Yes
Go to the next step.
No
Leakage still exists. Locate leak point and
repair. Repeat this step.
13
VERIFY TROUBLESHOOTING OF
DTC P0442, P0456 HAS BEEN
COMPLETED
z
Verify that all disconnected
connectors are reconnected.
z
Turn the ignition switch to the ON
position (Engine off).
z
Clear the DTC from the PCM
memory using the M-MDS.
z
Start the engine and run it at idle.
z
Retrieve DTCs using the M-MDS.
z
Is the PENDING CODE for this
DTC present?
Yes
Replace the PCM, then go to the next step.
(see
PCM
REMOVAL/INSTALLATION [MZI-
3.5]
.)
No
Go to the next step.
14
VERIFY AFTER REPAIR
PROCEDURE
Yes
Go to the applicable DTC inspection.
(See
DTC TABLE [MZI-3.5]
.)
2007 Mazda CX-9 Grand Touring
2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9
Microsoft
Sunday, November 15, 2009 9:26:32 AM
Page 217
© 2005 Mitchell Repair Information Company, LLC.