availability.
z
Is any related Service Bulletins
available?
next step.
No
Go to the next step.
3
VERIFY RELATED PENDING CODE
OR STORED DTC
z
Verify the related PENDING
CODE or stored DTCs.
z
Are other DTCs present?
Yes
Go to appropriate DTC inspection.
(See
DTC TABLE [MZI-3.5]
.)
No
Go to the next step.
4
INSPECT FUEL PUMP RELAY
CONNECTOR FOR POOR
CONNECTION
z
Turn the ignition switch off.
z
Disconnect the fuel pump relay.
z
Inspect for poor connection (such as
damaged/pulled-out pins,
corrosion).
z
Are there malfunction?
Yes
Repair or replace suspected part, then go
to Step 10.
No
Go to the next step.
5
INSPECT PCM CONNECTOR FOR
POOR CONNECTION
z
Turn the ignition switch off.
z
Disconnect PCM connector.
z
Inspect for poor connection (such as
damaged/pulled-out pins,
corrosion).
z
Are there malfunction?
Yes
Repair or replace suspected part, then go
to Step 10.
No
Go to the next step.
6
INSPECT FUEL PUMP MONITOR
CIRCUIT FOR SHORT TO POWER
SUPPLY
z
Turn the ignition switch to the ON
position (Engine off).
z
Measure voltage between the
following terminals:
{
Fuel pump relay terminal D
(wiring harness-side) and
body ground
{
fuel pump terminal B (wiring
harness-side) and body
ground
z
Is voltage
B+
?
Yes
Repair or replace suspected part, then go
to Step 10.
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 9:26:31 AM
Page 156
© 2005 Mitchell Repair Information Company, LLC.
