2
INFORMATION AVAILABILITY
z
Verify related Service Bulletins
and/or on-line repair information
availability.
z
Is any related Service Bulletins
available?
Yes
Perform repair or diagnosis according to the
available Service Bulletins.
z
If the vehicle is not repaired, go to the next
step.
No
Go to the next step.
3
INSPECT FUEL TANK PRESSURE
SENSOR CONNECTOR FOR POOR
CONNECTION
z
Turn the ignition switch off.
z
Disconnect the fuel tank pressure
sensor connector.
z
Inspect for poor connection (such as
damaged/pulled-out pins, corrosion).
z
Are there any malfunction?
Yes Repair or replace suspected part, then go to Step 7.
No
Go to the next step.
4
INSPECT PCM CONNECTOR FOR
POOR CONNECTION
z
Turn the ignition switch off.
z
Disconnect the PCM connector.
z
Inspect for poor connection (such as
damaged/pulled-out pins, corrosion).
z
Are there any malfunction?
Yes Repair or replace suspected part, then go to Step 7.
No
Go to the next step.
5
INSPECT FUEL TANK PRESSURE
SENSOR CIRCUIT FOR SHORT TO
POWER SUPPLY
z
Turn the ignition switch to the ON
position (Engine off).
z
Measure the voltage continuity
between fuel tank pressure sensor
terminal C (wiring harness-side) and
body ground.
z
Is the voltage B+?
Yes Repair or replace suspected part, then go to Step 7.
No
Go to the next step.
6
INSPECT FUEL TANK PRESSURE
SENSOR
z
Inspect the fuel tank pressure sensor.
(See
FUEL TANK PRESSURE
SENSOR INSPECTION [MZI-
3.7]
.)
z
Is there any malfunction?
Yes
Replace the evaporative hose component, then go
to the next step. (See
FUEL TANK
REMOVAL/INSTALLATION [MZI-3.7]
.)
No
Go to the next step.
2008 Mazda CX-9 Grand Touring
2008 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.7) - Mazda CX-9
Microsoft
Sunday, November 15, 2009 10:08:40 AM
Page 295
© 2005 Mitchell Repair Information Company, LLC.
