Mazda CX-9 Grand Touring 2007 Manual page 592

2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9
Perform the "AFTER REPAIR
PROCEDURE".
(See AFTER REPAIR
PROCEDURE [MZI-3.5].)
Are any DTCs present?
DTC P0461 [MZI-3.5]
DTC P0461 (MZI-3.5) DETECTION CONDITION AND POSSIBLE CAUSES
DTC P0461 Fuel gauge sender unit range/performance problem
DETECTION
CONDITION
POSSIBLE CAUSE
DIAGNOSTIC PROCEDURE
DTC P0461 (MZI-3.5) DIAGNOSTIC PROCEDURE
STEP
1 VERIFY FREEZE FRAME DATA
HAS BEEN RECORDED
Has FREEZE FRAME DATA
been recorded?
2 VERIFY REPAIR INFORMATION
AVAILABILITY
Verify related Service Bulletins
availability.
Is any related Service Bulletins
available?
3 VERIFY RELATED PENDING
CODE OR STORED DTCs
Turn the ignition switch off then
to the ON position (Engine off).
Verify related pending code or
stored DTCs.
Is other DTCs present?
2007 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
INSPECTION
No Troubleshooting completed.
ACTION
Yes Go to the next step.
No Record the FREEZE FRAME DATA on
the repair order, then go to the next step.
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.
Yes Go to the appropriate DTC
troubleshooting.
(See DTC TABLE [MZI-3.5].)
No Go to the next step.