Mazda CX-9 Grand Touring. Manual — part 322

available?

No

Go to the next step.

3

VERIFY RELATED PENDING CODE
OR STORED DTCs



Turn the ignition switch off then to
the ON position (Engine off).



Verify the related PENDING CODE
or stored DTCs using the M-MDS.

Yes

Go to the appropriate DTC troubleshooting.(See
DTC TABLE [MZI-3.7].)

No

Go to the next step

4

INSPECT THE PERFORMANCE OF
THE PROCESSOR



Turn the ignition switch off.



Disconnect the battery and wait for 1
min.



Connect the battery.



Start the engine and warm it up
completely.



Allow the engine idle to stabilize.



Access FTP PID.



Is the pressure equal to 0 kPa {0
kgf/cm

2

, 2.0 psi}.

Yes Go to Step 6.

No

Go to the next step.

5

INSPECT FOR SELF-TEST DTC P260F



Idle the engine 2 min.



Perform the KOEO/KOER self-test.



Is DTC P260F present?

Yes Go to the next step.

No

Troubleshooting completed.

6

INSPECT PCM FOR THE LATEST
CALIBRATION



Program the PCM to the latest
calibration.



Turn the ignition switch to the ON
position (Engine running).



Idle the engine for 2 min.



Perform the KOEO/KOER self-test.



Is DTC P260F present?

Yes Go to the next step.

No

Troubleshooting completed.

INSPECT FOR CORRECT PCM
OPERATION



Disconnect all the PCM connectors.



Visually inspect for:



Pushed out pins

Yes Go to the next step.

2008 Mazda CX-9 Grand Touring

2008 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.7) - Mazda CX-9

Microsoft

Sunday, November 15, 2009 10:08:44 AM

Page 421

© 2005 Mitchell Repair Information Company, LLC.

7



Corrosion



Connect all the PCM connectors and
verify that they seat correctly.



Retrieve DTCs using the M-MDS.



Is the PENDING CODE for this DTC
present?

No

The system is correctly. Go to the next step.

8

VERIFY TROUBLESHOOTING OF
DTC P260F HAS BEEN COMPLETED



Verify that all disconnected
connectors reconnected.



Clear the DTC from the PCM
memory using the M-MDS.



Perform the KOEO or KOER self-test
using the M-MDS.

(See KOEO/KOER SELF TEST
[MZI-3.7].)



Is the PENDING CODE for the DTC
present?

Yes

Replace the PCM, then go to the next step. (See
PCM REMOVAL/INSTALLATION [MZI-
3.7] .)

No

Go to the next step.

9

VERIFY AFTER REPAIR
PROCEDURE



Perform "AFTER REPAIR
PROCEDURE". (See AFTER
REPAIR PROCEDURE [MZI-
3.7].)



Are any DTCs present?

Yes

Go to the applicable DTC inspection. (See DTC
TABLE [MZI-3.7].)

No

Troubleshooting completed.

2008 Mazda CX-9 Grand Touring

2008 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.7) - Mazda CX-9

Microsoft

Sunday, November 15, 2009 10:08:44 AM

Page 422

© 2005 Mitchell Repair Information Company, LLC.

2008 ENGINE

Service Tools (MZI-3.7) - Mazda CX-9

ENGINE SST [MZI-3.7]

1. Mazda SST number

2. Global SST number

Example

Fig. 1: Identifying Service Tools (1 Of 2)
Courtesy of MAZDA MOTORS CORP.

2008 Mazda CX-9 Grand Touring

2008 ENGINE Service Tools (MZI-3.7) - Mazda CX-9

2008 Mazda CX-9 Grand Touring

2008 ENGINE Service Tools (MZI-3.7) - Mazda CX-9

Microsoft

Sunday, November 15, 2009 10:02:35 AM

Page 1

© 2005 Mitchell Repair Information Company, LLC.

Microsoft

Sunday, November 15, 2009 10:02:41 AM

Page 1

© 2005 Mitchell Repair Information Company, LLC.

Fig. 2: Identifying Service Tools (2 Of 2)
Courtesy of MAZDA MOTORS CORP.

2008 Mazda CX-9 Grand Touring

2008 ENGINE Service Tools (MZI-3.7) - Mazda CX-9

Microsoft

Sunday, November 15, 2009 10:02:35 AM

Page 2

© 2005 Mitchell Repair Information Company, LLC.