DTC P1288 [MZI-3.5]
DTC P1288 (MZI-3.5) DETECTION CONDITION AND POSSIBLE CAUSES
DIAGNOSTIC PROCEDURE
DTC P1288 (MZI-3.5) DIAGNOSTIC PROCEDURE
z
Is there any malfunction?
6
VERIFY TROUBLESHOOTING OF
DTC P1285, P1299 HAS BEEN
COMPLETED
z
Verify that all disconnected
connectors are reconnected.
z
Turn the ignition switch to the ON
position (Engine off).
z
Clear the DTC from the PCM
memory using the M-MDS.
z
Start the engine and run it at idle.
z
Retrieve DTCs using the M-MDS.
z
Is the PENDING CODE for this
DTC present?
Yes
Replace the PCM, then go to the next step.
(see
PCM
REMOVAL/INSTALLATION [MZI-
3.5]
.)
No
Go to the next step.
7
VERIFY AFTER REPAIR
PROCEDURE
z
Perform the "AFTER REPAIR
PROCEDURE".
(See
AFTER REPAIR
PROCEDURE [MZI-3.5]
.)
z
Are any DTC present?
Yes
Go to the applicable DTC inspection.
(See
DTC TABLE [MZI-3.5]
.)
No
Troubleshooting completed.
DTC P1288
CHT sensor out of self-test range
DETECTION
CONDITION
z
Indicates the CHT sensor is out of self-test range. The engine is not at a
normal operating temperature.
POSSIBLE CAUSE
z
Cold engine
z
Engine overheating
z
Connector or terminal malfunction
z
Low engine coolant level
z
CHT sensor malfunction
STEP
INSPECTION
ACTION
2007 Mazda CX-9 Grand Touring
2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9
Microsoft
Sunday, November 15, 2009 9:26:36 AM
Page 350
© 2005 Mitchell Repair Information Company, LLC.