DTC P0506 [MZI-3.5]
DTC P0506 (MZI-3.5) DETECTION CONDITION AND POSSIBLE CAUSES
INSPECTION [MZI-3.5]
.)
z
Is the engine compression normal?
8
INSPECT FOR RESTRICTION IN
EXHAUST SYSTEM AND TWC
z
Is there any restriction?
Yes
Replace malfunctioning part, then go to
the next step.
No
Go to the next step.
9
VERIFY TROUBLESHOOTING OF
DTC P0505 HAS BEEN
COMPLETED
z
Verify that all disconnected
connectors are reconnected.
z
Turn the ignition switch to the ON
position (Engine off).
z
Clear the DTC from the PCM
memory using the M-MDS.
z
Perform the KOEO and KOER
self-test.
z
Retrieve the DTCs using the M-
MDS.
z
Is the PENDING CODE for this
DTC present?
Yes
Replace the PCM, then go to the next step.
(see
PCM
REMOVAL/INSTALLATION [MZI-
3.5]
.)
No
Go to the next step.
10
VERIFY AFTER REPAIR
PROCEDURE
z
Perform the "AFTER REPAIR
PROCEDURE".
(See
AFTER REPAIR
PROCEDURE [MZI-3.5]
.)
z
Are any DTC present?
Yes
Go to the applicable DTC inspection.
(See
DTC TABLE [MZI-3.5]
.)
No
Troubleshooting completed.
DTC P0506
IAC system RPM lower than expected
DETECTION
CONDITION
z
This DTC is set when the PCM detects an engine idle speed that is less than
the desired engine speed.
z
Engine mechanical concern
z
Intake air restriction
z
Exhaust restriction
2007 Mazda CX-9 Grand Touring
2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9
Microsoft
Sunday, November 15, 2009 9:26:33 AM
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© 2005 Mitchell Repair Information Company, LLC.