Mazda CX-9 Grand Touring 2009 Manual page 1096

2008 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.7) - Mazda CX-9
cluster.
Is other DTCs present?
VERIFY TROUBLESHOOTING OF
DTC P0462 HAS BEEN COMPLETED
Verify that all disconnected
connectors reconnected.
Clear the DTC from the PCM
5
memory using the M-MDS.
Perform the "KOEO/KOER self-
test". (See KOEO/KOER SELF
TEST [MZI-3.7].)
Is the PENDING CODE for the
DTC present?
VERIFY AFTER REPAIR
PROCEDURE
Perform the "AFTER REPAIR
6
PROCEDURE". (See AFTER
REPAIR PROCEDURE [MZI-
3.7].)
Are any DTCs present?
DTC P0463 [MZI-3.7]
DTC P0463 (MZI-3.7) DETECTION CONDITIONS AND POSSIBLE CAUSES
DTC P0463 Fuel gauge sender unit circuit high input
DETECTION
CONDITION
POSSIBLE
CAUSE
DIAGNOSTIC PROCEDURE
DTC P0463 (MZI-3.7) DIAGNOSTIC PROCEDURE
STEP INSPECTION
2008 Mazda CX-9 Grand Touring
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.
Fuel pump malfunction
Incorrectly installed fuel gauge
Instrument cluster malfunction
Fuel level input signal circuit malfunction
Overfilled fuel tank
Fuel gauge malfunction
No Go to the next step.
Replace the PCM, then go to the next step. (See
Yes PCM REMOVAL/INSTALLATION [MZI-
3.7] .)
No Go to the next step.
Go to the applicable DTC inspection. (See DTC
Yes
TABLE [MZI-3.7].)
No Troubleshooting completed.
ACTION