DTC P1450 [MZI-3.5]
DTC P1450 (MZI-3.5) DETECTION CONDITION AND POSSIBLE CAUSES
and/or on-line repair information
availability.
z
Is any related Service Bulletins
available?
the next step.
No
Go to the next step.
3
INSPECT THE BATTERY
z
Turn the ignition switch off.
z
Inspect the battery.
z
Is the battery normal?
Yes
Inspect charging system.
(see
QUICK DIAGNOSTIC CHART
[MZI-3.5]
.)
z
If there is any malfunction, repair or
replace malfunctioning part, then go
to the next step.
No
Replace the battery, then go to the next
step.
4
VERIFY TROUBLESHOOTING OF
DTC P1397 HAS BEEN
COMPLETED
z
Verify that all disconnected
connectors reconnected.
z
Clear the DTC from the PCM
memory using the M-MDS.
z
Perform the KOEO or KOER self-
test using the M-MDS.
(See
KOEO/KOER SELF TEST
[MZI-3.5]
.)
z
Is the PENDING CODE for the
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.
5
VERIFY AFTER REPAIR
PROCEDURE
z
Perform "AFTER REPAIR
PROCEDURE".
(See
AFTER REPAIR
PROCEDURE [MZI-3.5]
.)
z
Are any DTCs present?
Yes
Go to the applicable DTC inspection.
(See
DTC TABLE [MZI-3.5]
.)
No
Troubleshooting completed.
DTC P1450
Unable to bleed up fuel tank vacuum
DETECTION
2007 Mazda CX-9 Grand Touring
2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9
Microsoft
Sunday, November 15, 2009 9:26:37 AM
Page 362
© 2005 Mitchell Repair Information Company, LLC.