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.