z
Verify related Service Bulletins
and/or on-line repair information
availability.
z
Is any related Service Bulletins
available?
z
If the vehicle is not repaired, go to
the next step.
No
Go to the next step.
3
INSPECT IAT SENSOR TERMINAL
z
Turn the ignition switch off.
z
Disconnect MAF/IAT sensor
connector.
z
Inspect for bent terminal of
MAF/IAT sensor terminals E and
F (part-side).
z
Is there any malfunction?
Yes
Repair or replace suspected part, then go to
Step 6.
No
Go to the next step.
4
CLASSIFY IAT SENSOR
MALFUNCTION OR HARNESS
MALFUNCTION
z
Connect M-MDS to DLC-2.
z
Access IAT PID.
z
Verify IAT value when
disconnecting MAF/IAT sensor
connector.
z
Does IAT value change?
Yes
Replace MAF/IAT sensor or harness, then
go to Step 6.
No
Go to the next step.
5
INSPECT IAT SIGNAL CIRCUIT
FOR SHORT TO GROUND
z
Turn the ignition switch off.
z
Disconnect PCM connector.
z
Inspect continuity between
MAF/IAT sensor terminal F
(wiring harness-side) and body
ground.
z
Is there continuity?
Yes
Repair or replace suspected part, then go to
the next step.
No
Go to the next step.
6
VERIFY TROUBLESHOOTING OF
DTC P0112 HAS BEEN
COMPLETED
z
Verify that all disconnected
connectors reconnected.
z
Turn the ignition switch to the ON
position (Engine off).
z
Clear the DTC from the PCM
Yes
Replace the PCM, then go to the next step.
(see
PCM
REMOVAL/INSTALLATION [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 65
© 2005 Mitchell Repair Information Company, LLC.