DIAGNOSTIC PROCEDURE
DTC P0462 (MZI-3.5) DIAGNOSTIC PROCEDURE
POSSIBLE CAUSE
z
Fuel pump malfunction
z
Incorrectly installed fuel gauge
z
Instrument cluster malfunction
z
Fuel gauge malfunction
z
Fuel level input signal circuit malfunction
STEP
INSPECTION
ACTION
1
VERIFY FREEZE FRAME DATA
HAS BEEN RECORDED
z
Has FREEZE FRAME DATA
been recorded?
Yes
Go to the next step.
No
Record the FREEZE FRAME DATA on
the repair order, then go to the next step.
2
VERIFY REPAIR INFORMATION
AVAILABILITY
z
Verify related Service Bulletins
availability.
z
Is any related Service Bulletins
available?
Yes
Perform repair or diagnosis according to
the available Service Bulletins. If the
vehicle is not repaired, go to the next step.
No
Go to the next step.
3
VERIFY RELATED PENDING
CODE OR STORED DTCs
z
Turn the ignition switch off then to
the ON position (Engine off).
z
Verify related pending code or
stored DTCs.
z
Is other DTCs. present?
Yes
Go to the appropriate DTC
troubleshooting.
(See
DTC TABLE [MZI-3.5]
.)
No
Go to the next step.
4
VERIFY STORED DTC IN
INSTRUMENT CLUSTER
z
Turn the ignition switch off then to
the ON position (Engine off).
z
Verify stored DTCs in instrument
cluster.
z
Is other DTCs present?
Yes
Go to the appropriate DTC inspection.
(see
DTC TABLE [INSTRUMENT
CLUSTER]
.)
No
Go to the next step.
5
VERIFY TROUBLESHOOTING OF
DTC P0462 HAS BEEN
COMPLETED
z
Verify that all disconnected
Yes
Replace the PCM, then go to the next step.
(see
PCM
REMOVAL/INSTALLATION [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 9:26:33 AM
Page 247
© 2005 Mitchell Repair Information Company, LLC.