Mazda CX-9 Grand Touring 2009 Manual page 1108

2008 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.7) - Mazda CX-9
(See AFTER REPAIR
PROCEDURE [MZI-3.7].)
Are any DTCs present?
DTC P0507 [MZI-3.7]
DTC P0507 (MZI-3.7) DETECTION CONDITIONS AND POSSIBLE CAUSES
DTC P0507
DETECTION
CONDITION
POSSIBLE CAUSE
DIAGNOSTIC PROCEDURE
DTC P0507 (MZI-3.7) DIAGNOSTIC PROCEDURE
STEP
VERIFY FREEZE FRAME DATA HAS
BEEN RECORDED
1
Has FREEZE FRAME DATA been
recorded?
VERIFY RELATED REPAIR
INFORMATION AVAILABILITY
Verify related Service Bulletins and/or
2
on-line repair information availability.
Is any related Service Bulletins
available?
VERIFY RELATED PENDING OR
STORED DTCS
Turn the ignition switch off then to the
3
ON position (Engine off).
Verify pending code or stored DTCs
using the M-MDS.
Is other DTC present?
INSPECT AIR CLEANER ELEMENT
2008 Mazda CX-9 Grand Touring
IAC system RPM higher than expected
This DTC is set when the PCM detects an engine idle speed that is more
than the desired engine speed.
Intake air leak after throttle body
Vacuum leakage
EVAP system malfunction
Throttle body malfunction
PCM malfunction
INSPECTION
No Troubleshooting completed.
Yes Go to the next step.
Record FREEZE FRAME DATA on the repair
No
order, then go to the next step.
Perform repair or diagnosis according to the
available Service Bulletins.
Yes
If the vehicle is not repaired, then go to
the next step.
No Go to the next step.
Repair applicable DTCs. (See DTC TABLE
Yes
[MZI-3.7].)
No Go to the next step.
Replace the air cleaner element, then go to Step
ACTION