DIAGNOSTIC PROCEDURE
DTC P0607 (MZI-3.7) DIAGNOSTIC PROCEDURE
DETECTION
CONDITION
z
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
z
PCM malfunction
STEP
INSPECTION
ACTION
1
VERIFY FREEZE FRAME DATA HAS
BEEN RECORDED
z
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
z
Verify related Service Bulletins and/or
on-line repair information availability.
z
Is any related Service Bulletins
available?
Yes
Perform repair or diagnosis according to the
available Service Bulletins.
z
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
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
Perform "KOEO and KOER self-test".
(See
KOEO/KOER SELF TEST
[MZI-3.7]
.)
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-
3.7]
.)
No
Go to the next step.
4
VERIFY AFTER REPAIR
PROCEDURE
z
Perform the "AFTER REPAIR
PROCEDURE". (See
AFTER
REPAIR PROCEDURE [MZI-3.7]
.)
z
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.