Mazda CX-9 Grand Touring 2007 Manual page 593

2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9
4 VERIFY STORED DTC IN
INSTRUMENT CLUSTER
Turn the ignition switch off then
to the ON position (Engine off).
Verify stored DTCs in instrument
cluster.
Is other DTCs present?
5 VERIFY TROUBLESHOOTING OF
DTC P0461 HAS BEEN
COMPLETED
Verify that all disconnected
connectors reconnected.
Clear the DTC from the PCM
memory using the M-MDS.
Perform the "KOEO/KOER self-
test".
(See KOEO/KOER SELF TEST
[MZI-3.5].)
Is the PENDING CODE for the
DTC present?
6 VERIFY AFTER REPAIR
PROCEDURE
Perform the "AFTER REPAIR
PROCEDURE".
(See AFTER REPAIR
PROCEDURE [MZI-3.5].)
Are any DTCs present?
DTC P0462 [MZI-3.5]
DTC P0462 (MZI-3.5) DETECTION CONDITION AND POSSIBLE CAUSES
DTC P0462 Fuel gauge sender unit circuit low input
DETECTION
CONDITION
2007 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 less than the
minimum allowable calibrated parameter for a specified fuel-fill percentage
in the fuel tank.
Empty fuel tank
Yes Go to the appropriate DTC inspection.
(see DTC TABLE [INSTRUMENT
CLUSTER] .)
No Go to the next step.
Yes Replace the PCM, then go to the next step.
(see PCM
REMOVAL/INSTALLATION [MZI-
3.5] .)
No Go to the next step.
Yes Go to the applicable DTC inspection.
(See DTC TABLE [MZI-3.5].)
No Troubleshooting completed.