Mazda CX-9 Grand Touring 2007 Manual page 726

2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9
2.
Access the data of the tire size.
Is it the same as a equipped tire?
4 VERIFY GENUINE TIRES ARE
INSTALLED
Is genuine tires are equipped?
5 VERIFY TROUBLESHOOTING OF
DTC P1635 HAS BEEN
COMPLETED
Verify that all disconnected
connectors reconnected.
Turn the ignition switch to the ON
position (Engine off).
Clear DTC from PCM memory
using M-MDS.
Start engine and warm up it
completely.
Is same DTC present?
6 VERIFY AFTER REPAIR
PROCEDURE
Perform "AFTER REPAIR
PRECAUTION".
(See AFTER REPAIR
PROCEDURE [MZI-3.5].)
Are any DTCs present?
DTC P1639 [MZI-3.5]
DTC P1639 (MZI-3.5) DETECTION CONDITION AND POSSIBLE CAUSES
DTC P1639 Vehicle ID block corrupted, that not programmed
DETECTION
CONDITION
POSSIBLE CAUSE
DIAGNOSTIC PROCEDURE
2007 Mazda CX-9 Grand Touring
This DTC indicates that the VID block is not programmed or the
information within is corrupt.
New PCM
Incorrect PCM
Incorrect VID configuration
Yes Go to the next step.
No Change to the genuine tire, then go to the
next step.
Yes Replace the PCM, then go to the next step.
(see PCM
REMOVAL/INSTALLATION [MZI-
3.5] .)
No Go to the next step.
Yes Go to the applicable DTC inspection.
(See DTC TABLE [MZI-3.5].)
No Troubleshooting completed.