Mazda CX-9 Grand Touring. Manual - part 284

DIAGNOSTIC PROCEDURE 

DTC P0607 (MZI-3.7) DIAGNOSTIC PROCEDURE 

DETECTION 

CONDITION 



Indicates that the PCM internal CPU has encountered an error. The PCM 
monitors itself and carries out internal checks of its own CPU. If any of these 
checks returns an incorrect value, the DTC is set.  

POSSIBLE 

CAUSE 



PCM malfunction  

STEP

INSPECTION

ACTION

1

VERIFY FREEZE FRAME DATA HAS 
BEEN RECORDED  



Has FREEZE FRAME DATA been 
recorded?  

Yes Go to the next step.

No

Record FREEZE FRAME DATA on the repair 

order, then go to the next step.

2

VERIFY RELATED REPAIR 
INFORMATION AVAILABILITY  



Verify related Service Bulletins and/or 
on-line repair information availability. 



Is any related Service Bulletins 
available?  

Yes

Perform repair or diagnosis according to the 
available Service Bulletins. 



If the vehicle is not repaired, go to the 
next step.  

No

Perform PCM reprograming using the M-MDS, 

then go to next step.

3

VERIFY TROUBLESHOOTING OF 
DTC P0607 HAS BEEN COMPLETED  



Verify that all disconnected 
connectors are reconnected.  



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



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



Perform "KOEO and KOER self-test". 
(See KOEO/KOER SELF TEST 
[MZI-3.7].)  



Retrieve DTCs using the M-MDS.  



Is the PENDING CODE for this 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.

4

VERIFY AFTER REPAIR 
PROCEDURE  



Perform the "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 10:08:39 AM

Page 269 

© 2005 Mitchell Repair Information Company, LLC. 

DTC P060A, P060C, P060F, P061D [MZI-3.7]

DTC P060A, P060C, P060F, P061D (MZI-3.7) DETECTION CONDITIONS AND POSSIBLE CAUSES

DIAGNOSTIC PROCEDURE 

DTC P060A, P060C, P060F, P061D (MZI-3.7) DIAGNOSTIC PROCEDURE 

DTC P060A

P060A: Internal control module monitoring processor performance

DTC P060C

P060C: Internal control module main processor performance

DTC P061D

P061D: Internal control module engine air mass performance

DETECTION CONDITION 



Indicates an error occurred in the PCM.  

POSSIBLE CAUSE 



Software incompatibility issue  



PCM malfunction  

STEP

INSPECTION

ACTION

1

VERIFY FREEZE FRAME DATA HAS 
BEEN RECORDED  



Has FREEZE FRAME DATA been 
recorded?  

Yes Go to the next step.

No

Record FREEZE FRAME DATA on the repair 

order, then go to the next step.

2

VERIFY RELATED REPAIR 
INFORMATION AVAILABILITY  



Verify related Service Bulletins and/or 
on-line repair information availability.  



Is any related Service Bulletins 
available?  

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.

3

INSPECT PCM FOR LATEST 
CALIBRATION  



Program the PCM to the latest 
calibration.  



Turn the ignition switch off.  



Perform the KOEO self-test.  



Turn the ignition switch off.  



Perform the KOER self-test.  



Use the customer information to 
recreate the concern.  



Perform the self-test.  



Are DTCs P060A, P060C or P060D 
present?  

Yes Go to the next step.

No

Go to Step 5.

INSPECT FOR CORRECT PCM 
OPERATION  

 

2008 Mazda CX-9 Grand Touring 

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

  

Microsoft 

 

Sunday, November 15, 2009 10:08:39 AM

Page 270 

© 2005 Mitchell Repair Information Company, LLC. 

DTC P060B [MZI-3.7] 

DTC P060B (MZI-3.7) DETECTION CONDITIONS AND POSSIBLE CAUSES 

DTC P060B (MZI-3.7) DIAGNOSTIC PROCEDURE 

4



Disconnect all the PCM connectors.  



Visually inspect for: 



Pushed out pins  



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?  

Yes

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

No

Go to the next step.

5

VERIFY TROUBLESHOOTING OF 
MISFIRE DTC P060A, P060C AND 
P061D HAS BEEN COMPLETED  



Verify that all disconnected connectors 
reconnected.  



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



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



Perform the "KOEO and KOER self-
test". (See KOEO/KOER SELF 
TEST [MZI-3.7].)  



Retrieve DTCs using the M-MDS.  



Is the PENDING CODE for this 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.

6

VERIFY AFTER REPAIR PROCEDURE 



Perform the "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.

DTC P060B

Internal control module A/D processing performance

DETECTION CONDITION 



Indicates that an error occurred in the PCM.  

POSSIBLE CAUSE 



PCM malfunction  

STEP

INSPECTION

ACTION

 

2008 Mazda CX-9 Grand Touring 

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

  

Microsoft 

 

Sunday, November 15, 2009 10:08:39 AM

Page 271 

© 2005 Mitchell Repair Information Company, LLC. 

1

VERIFY FREEZE FRAME DATA HAS 
BEEN RECORDED  



Has FREEZE FRAME DATA been 
recorded?  

Yes Go to the next step.

No

Record FREEZE FRAME DATA on the repair 

order, then go to the next step.

2

VERIFY RELATED REPAIR 
INFORMATION AVAILABILITY  



Verify related Service Bulletins and/or 
on-line repair information availability. 



Is any related Service Bulletins 
available?  

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.

3

VERIFY RELATED PENDING CODE 
OR STORED DTCs  



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



Verify related pending code or stored 
DTCs.  



Are other DTCs present?  

Yes

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

No

Go to the next step.

4

INSPECT FOR REFERENCE 
VOLTAGE CONCERNS  



Inspect the PCM wiring harness for 
damage.  



Verify the correct operation of the 
sensors using ETCREF, VREF and 
related circuits.  



Is a concern present?  

Yes Go to the next step.

No

Go to Step 6.

5

INSPECT FOR CORRECT PCM 
OPERATION  



Disconnect all the PCM connectors.  



Visually inspect for: 



Pushed out pins  



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?  

Yes

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

No

Go to the next step.

VERIFY TROUBLESHOOTING OF 
DTC P060B HAS BEEN COMPLETED  

 

2008 Mazda CX-9 Grand Touring 

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

  

Microsoft 

 

Sunday, November 15, 2009 10:08:39 AM

Page 272 

© 2005 Mitchell Repair Information Company, LLC.