DIAGNOSTIC PROCEDURE
DTC P0111 (MZI-3.5) DIAGNOSTIC PROCEDURE
the CHT by more than a calibrated value, typically 17 °C {30 °F}.
POSSIBLE CAUSE
z
IAT sensor 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, go to
the next step.
No
Go to the next step.
3
INSPECT IAT SENSOR
z
Inspect IAT sensor.
(see
INTAKE-AIR SYSTEM
REMOVAL/INSTALLATION
[MZI-3.5]
.)
z
Is IAT sensor normal?
Yes
Go to the next step.
No
Replace MAF/IAT sensor, then go to the
next step.
(see
MASS AIR FLOW
(MAF)/INTAKE AIR
TEMPERATURE (IAT) SENSOR
REMOVAL/INSTALLATION [MZI-
3.5].
)
4
VERIFY TROUBLESHOOTING OF
DTC P0111 HAS BEEN COMPLETED
z
Verify that all disconnected
connectors reconnected.
z
Clear the DTC from the PCM
memory using the M-MDS.
z
Start engine and run engine under
FREEZE FRAME DATA condition.
z
Is PENDING CODE for this DTC
present?
Yes
Replace PCM, then go to the next step.
(see
PCM
REMOVAL/INSTALLATION [MZI-
3.5]
.)
No
Go to the next step.
5
VERIFY AFTER REPAIR
PROCEDURE
z
Perform "AFTER REPAIR
Yes
Go to the applicable DTC inspection.
(See
DTC TABLE [MZI-3.5]
.)
2007 Mazda CX-9 Grand Touring
2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9
Microsoft
Sunday, November 15, 2009 9:26:29 AM
Page 62
© 2005 Mitchell Repair Information Company, LLC.