DTC P0462 (MZI-3.7) DETECTION CONDITIONS AND POSSIBLE CAUSES
DIAGNOSTIC PROCEDURE
DTC P0462 (MZI-3.7) DIAGNOSTIC PROCEDURE
DTC P0462
Fuel gauge sender unit circuit low input
DETECTION
CONDITION
z
The PCM) monitors the fuel level input communications network message for
a concern. The test fails if the fuel level input signal is less than the minimum
allowable calibrated parameter for a specified fuel-fill percentage in the fuel
tank.
POSSIBLE
CAUSE
z
Empty fuel tank
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-3.7]
.)
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
Yes Go to the appropriate DTC inspection. (See
DTC
TABLE [INSTRUMENT CLUSTER]
.)
2008 Mazda CX-9 Grand Touring
2008 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.7) - Mazda CX-9
Microsoft
Sunday, November 15, 2009 10:08:38 AM
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© 2005 Mitchell Repair Information Company, LLC.
