DTC P0506 [MZI-3.7]
DTC P0506 (MZI-3.7) DETECTION CONDITIONS AND POSSIBLE CAUSES
DIAGNOSTIC PROCEDURE
DTC P0506 (MZI-3.7) DIAGNOSTIC PROCEDURE
z
Is the PENDING CODE for this
DTC present?
10
VERIFY AFTER REPAIR
PROCEDURE
z
Perform the "AFTER REPAIR
PROCEDURE".
(See
AFTER REPAIR
PROCEDURE [MZI-3.7]
.)
z
Are any DTC present?
Yes
Go to the applicable DTC inspection. (See
DTC
TABLE [MZI-3.7]
.)
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.
POSSIBLE CAUSE
z
Engine mechanical concern
z
Intake air restriction
z
Exhaust restriction
z
Sludged throttle body
z
Vacuum leakage
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.
Yes
Perform repair or diagnosis according to the
available Service Bulletins.
z
If the vehicle is not repaired, then go to the
next 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 242
© 2005 Mitchell Repair Information Company, LLC.
