Mazda CX-9 Grand Touring 2009 Manual page 1093

2008 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.7) - Mazda CX-9
Is other DTCs present?
VERIFY TROUBLESHOOTING OF
DTC P0460 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 P0461 [MZI-3.7]
DTC P0461 (MZI-3.7) DETECTION CONDITIONS AND POSSIBLE CAUSES
DTC P0461 Fuel gauge sender unit range/performance problem
DETECTION
CONDITION
POSSIBLE
CAUSE
DIAGNOSTIC PROCEDURE
DTC P0461 (MZI-3.7) DIAGNOSTIC PROCEDURE
STEP INSPECTION
VERIFY FREEZE FRAME DATA
HAS BEEN RECORDED
1
Has FREEZE FRAME DATA been
recorded?
VERIFY REPAIR INFORMATION
2008 Mazda CX-9 Grand Touring
The PCM monitors the fuel level input communications network message for a
concern. The test fails when the fuel level input signal repeatedly moves in and
out of range, exceeding the minimum or maximum allowable calibrated
parameters for a specified fuel fill percentage in the fuel tank.
Excessive electrical noise
Fuel level input signal circuit malfunction
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.
Yes Go to the next step.
Record the FREEZE FRAME DATA on the repair
No
order, then go to the next step.
ACTION