Mazda CX-9 Grand Touring 2009 Manual page 934

2008 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.7) - Mazda CX-9
DIAGNOSTIC PROCEDURE
DTC P0114 (MZI-3.7) DIAGNOSTIC PROCEDURE
STEP
VERIFY FREEZE FRAME DATA HAS
BEEN RECORDED
1
Has FREEZE FRAME DATA been
recorded?
VERIFY RELATED REPAIR
INFORMATION AVAILABILITY
Verify related Service Bulletins and/or
2
on-line repair information availability.
Is any related Service Bulletins
available?
INSPECT CONNECTOR FOR POOR
CONNECTION
Turn the ignition switch off.
Disconnect PCM connector and IAT
3
sensor connectors.
Inspect for poor connection (such as
damaged, pulled-out pins, and
corrosion).
Is there any malfunction?
INTERMITTENT INSPECTION
Turn the ignition switch to the ON
position (Engine off).
Access the PCM and monitor the IAT
PID.
While observing the PID, perform the
4
following:
Tap on the sensor to simulate
road shock
Wiggle the sensor connector
Is there a large change in the voltage
reading?
INSPECT ELECTRONIC ENGINE
CONTROL WIRING HARNESS
Access the PCM and monitor the IAT
PID.
2008 Mazda CX-9 Grand Touring
INSPECTION ACTION
Yes Go to the next step.
Record FREEZE FRAME DATA on the repair
No
order, then go to the next step.
Perform repair or diagnosis according to the
available Service Bulletins.
Yes
If the vehicle is not repaired, go to the
next step.
No Go to the next step.
Yes Go to the next step.
Repair or replace suspected part, then go to
No
Inspect the IAT sensor. (See INTAKE AIR
TEMPERATURE (IAT) SENSOR
Yes
INSPECTION [MZI-3.7] .)
Replace if necessary, then go to Step 6.
No Go to the next step.
Yes Repair if necessary, then go to Step 6.
Step 6.