DTC P0507 [MZI-3.7]
DTC P0507 (MZI-3.7) DETECTION CONDITIONS AND POSSIBLE CAUSES
DIAGNOSTIC PROCEDURE
DTC P0507 (MZI-3.7) DIAGNOSTIC PROCEDURE
(See
AFTER REPAIR
PROCEDURE [MZI-3.7]
.)
z
Are any DTCs present?
No
Troubleshooting completed.
DTC P0507
IAC system RPM higher than expected
DETECTION
CONDITION
z
This DTC is set when the PCM detects an engine idle speed that is more
than the desired engine speed.
POSSIBLE CAUSE
z
Intake air leak after throttle body
z
Vacuum leakage
z
EVAP system malfunction
z
Throttle body malfunction
z
PCM malfunction
STEP
INSPECTION
ACTION
1
VERIFY FREEZE FRAME DATA HAS
BEEN RECORDED
z
Has FREEZE FRAME DATA been
recorded?
Yes Go to the next step.
No
Record FREEZE FRAME DATA on the repair
order, then go to the next step.
2
VERIFY RELATED REPAIR
INFORMATION AVAILABILITY
z
Verify related Service Bulletins and/or
on-line repair information availability.
z
Is any related Service Bulletins
available?
Yes
Perform repair or diagnosis according to the
available Service Bulletins.
z
If the vehicle is not repaired, then go to
the next step.
No
Go to the next step.
3
VERIFY RELATED PENDING OR
STORED DTCS
z
Turn the ignition switch off then to the
ON position (Engine off).
z
Verify pending code or stored DTCs
using the M-MDS.
z
Is other DTC present?
Yes
Repair applicable DTCs. (See
DTC TABLE
[MZI-3.7]
.)
No
Go to the next step.
INSPECT AIR CLEANER ELEMENT
Replace the air cleaner element, then go to Step
2008 Mazda CX-9 Grand Touring
2008 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.7) - Mazda CX-9
Microsoft
Sunday, November 15, 2009 10:08:38 AM
Page 244
© 2005 Mitchell Repair Information Company, LLC.