DTC P0463 [MZI-3.5]
DTC P0463 (MZI-3.5) DETECTION CONDITION AND POSSIBLE CAUSES
DIAGNOSTIC PROCEDURE
DTC P0463 (MZI-3.5) DIAGNOSTIC PROCEDURE
connectors reconnected.
z
Clear the DTC from the PCM
memory using the M-MDS.
z
Perform the "KOEO/KOER self-
test".
(See
KOEO/KOER SELF TEST
[MZI-3.5]
.)
z
Is the PENDING CODE for the
DTC present?
No
Go to the next step.
6
VERIFY AFTER REPAIR
PROCEDURE
z
Perform the "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 P0463
Fuel gauge sender unit circuit high 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 more than the
maximum allowable calibrated parameter for a specified fuel-fill percentage
in the fuel tank.
POSSIBLE CAUSE
z
Fuel pump malfunction
z
Incorrectly installed fuel gauge
z
Instrument cluster malfunction
z
Fuel level input signal circuit malfunction
z
Overfilled fuel tank
z
Fuel gauge malfunction
STEP
INSPECTION
ACTION
1
VERIFY FREEZE FRAME DATA
HAS BEEN RECORDED
Yes
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 248
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