DIAGNOSTIC PROCEDURE
DTC P0114 (MZI-3.7) DIAGNOSTIC PROCEDURE
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 CONNECTOR FOR POOR
CONNECTION
z
Turn the ignition switch off.
z
Disconnect PCM connector and IAT
sensor connectors.
z
Inspect for poor connection (such as
damaged, pulled-out pins, and
corrosion).
z
Is there any malfunction?
Yes Go to the next step.
No
Repair or replace suspected part, then go to
Step 6.
4
INTERMITTENT INSPECTION
z
Turn the ignition switch to the ON
position (Engine off).
z
Access the PCM and monitor the IAT
PID.
z
While observing the PID, perform the
following:
{
Tap on the sensor to simulate
road shock
{
Wiggle the sensor connector
z
Is there a large change in the voltage
reading?
Yes
Inspect the IAT sensor. (See
INTAKE AIR
TEMPERATURE (IAT) SENSOR
INSPECTION [MZI-3.7]
.)
Replace if necessary, then go to Step 6.
No
Go to the next step.
INSPECT ELECTRONIC ENGINE
CONTROL WIRING HARNESS
z
Access the PCM and monitor the IAT
PID.
Yes Repair if necessary, then go to Step 6.
2008 Mazda CX-9 Grand Touring
2008 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.7) - Mazda CX-9
Microsoft
Sunday, November 15, 2009 10:08:35 AM
Page 70
© 2005 Mitchell Repair Information Company, LLC.
