been recorded?
2
VERIFY RELATED REPAIR
INFORMATION AVAILABILITY
z
Verify related Service Bulletins
and/or on-line repair information
availability.
z
Is any related repair information
available?
Yes
Perform the repair or diagnosis according
to the available repair information.
z
If the vehicle is not repaired, go to
the next step.
No
Go to the next step.
3
INSPECT FUEL TANK PRESSURE
SENSOR CONNECTION FOR
POOR CONNECTION
z
Turn the ignition switch off.
z
Disconnect 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 9.
No
Go to the next step.
4
VERIFY FUEL TANK PRESSURE
SENSOR SIGNAL CIRCUIT FOR
SHORT TO POWER SUPPLY
z
Turn the ignition switch to the ON
position (Engine off).
z
Measure the voltage between the
following terminals:
{
Fuel tank pressure sensor
terminal A (wiring harness-
side) and body ground.
{
Fuel tank pressure sensor
terminal C (wiring harness-
side) and body ground.
z
Are there voltage
B+
?
Yes
Repair or replace suspected part, then go to
Step 9.
No
Go to the next step.
5
INSPECT PCM CONNECTOR FOR
POOR CONNECTION
z
Turn the ignition switch off.
z
Disconnect the fuel tank pressure
sensor and PCM connector.
z
Inspect for poor connection (such
as damaged/pulled-out pins,
corrosion).
Yes
Repair or replace suspected part, then go to
Step 9.
No
Go to the next step.
2007 Mazda CX-9 Grand Touring
2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9
Microsoft
Sunday, November 15, 2009 9:26:33 AM
Page 234
© 2005 Mitchell Repair Information Company, LLC.