Mazda CX-9 Grand Touring 2007 Manual page 417

2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9
Are any DTCs present?
DTC P0114 [MZI-3.5]
DTC P0114 (MZI-3.5) DETECTION CONDITION AND POSSIBLE CAUSES
DTC P0114 IAT sensor Intermittent/erratic
DETECTION
CONDITION
POSSIBLE CAUSE
DIAGNOSTIC PROCEDURE
DTC P0114 (MZI-3.5) DETECTION CONDITION AND POSSIBLE CAUSES
STEP
1 VERIFY FREEZE FRAME DATA
HAS BEEN RECORDED
Has FREEZE FRAME DATA
been recorded?
2 VERIFY RELATED REPAIR
INFORMATION AVAILABILITY
Verify related Service Bulletins
and/or on-line repair information
availability.
Is any related Service Bulletins
available?
3 INSPECT CONNECTOR FOR
POOR CONNECTION
Turn the ignition switch off.
Disconnect PCM connector and
IAT sensor connectors.
Inspect for poor connection (such
as damaged, pulled-out pins, and
corrosion).
Is there any malfunction?
4 INTERMITTENT INSPECTION
Turn the ignition switch to the ON
position (Engine off).
2007 Mazda CX-9 Grand Touring
Indicates the sensor signal was intermittent during the CCM.
IAT sensor malfunction
Harness malfunction
Connector or terminal malfunction
INSPECTION ACTION
Yes Go to the next step.
No Record FREEZE FRAME DATA on the
repair order, then go to the next step.
Yes Perform repair or diagnosis according to
the available Service Bulletins.
If the vehicle is not repaired, go to
the next step.
No Go to the next step.
Yes Go to the next step.
No Repair or replace suspected part, then go to
Step 6.
Yes Inspect the IAT sensor.
(see INTAKE AIR TEMPERATURE
(IAT) SENSOR INSPECTION [MZI-
3.5]. )