Mazda CX-9 Grand Touring 2009 Manual page 1091

2008 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.7) - Mazda CX-9
LEAKING FUEL FILLER CAP
Check for missing or loose fuel filler
cap.
4
Check for possible cross-threaded
fuel filler cap.
Is a concern present?
EVAP SYSTEM LEAK TEST
Perform the EVAP system leak test.
(See ENGINE CONTROL
5
SYSTEM OPERATION
INSPECTION [MZI-3.7] .)
Are the test results normal?
VERIFY TROUBLESHOOTING OF
DTC P0457 HAS BEEN COMPLETED
Verify that all disconnected
connectors are reconnected.
Turn the ignition switch to the ON
position (Engine off).
6
Clear the DTC from the PCM
memory using the M-MDS.
Start the engine and run it at idle.
Retrieve DTCs using the M-MDS.
Is the PENDING CODE for this DTC
present?
VERIFY AFTER REPAIR
PROCEDURE
Perform the "AFTER REPAIR
7
PROCEDURE". (See AFTER
REPAIR PROCEDURE [MZI-
3.7].)
Are any DTC present?
DTC P0460 [MZI-3.7]
DTC P0460 (MZI-3.7) DETECTION CONDITIONS AND POSSIBLE CAUSES
DTC P0460 Fuel level sensor circuit
DETECTION
CONDITION
2008 Mazda CX-9 Grand Touring
The PCM monitors the fuel level input communications network message for a
concern. The test fails when the PCM determines that the value of the fuel level
input signal is stuck. The PCM calculates the amount of fuel used during
Repair or replace if necessary. Go to the next
Yes
step.
No Go to Step 6.
Yes Go to Step 6.
Leakage still exists. Go to the P0455
Troubleshooting. (See ENGINE CONTROL
No
SYSTEM OPERATION INSPECTION [MZI-
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.
3.7] .)