Mazda CX-9 Grand Touring 2009 Manual page 1130

2008 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.7) - Mazda CX-9
recorded?
VERIFY RELATED REPAIR
INFORMATION AVAILABILITY
Verify related Service Bulletins
2
and/or on-line repair information
availability.
Is any related Service Bulletins
available?
VERIFY TROUBLESHOOTING OF
P0604 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
3
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?
VERIFY AFTER REPAIR
PROCEDURE
Perform the "After Repair Procedure".
4
(See AFTER REPAIR
PROCEDURE [MZI-3.7].)
Are any DTCs present?
DTC P0605 [MZI-3.7]
DTC P0605 (MZI-3.7) DETECTION CONDITIONS AND POSSIBLE CAUSES
DTC P0605
DETECTION CONDITION
POSSIBLE CAUSE
DIAGNOSTIC PROCEDURE
2008 Mazda CX-9 Grand Touring
Perform repair or diagnosis according to the
available Service Bulletins.
Yes
Perform PCM reprograming using the M-MDS,
No
Replace the PCM, go to the next step. (See PCM
Yes
REMOVAL/INSTALLATION [MZI-3.7] .)
No
Go to the applicable DTC inspection. (See DTC
Yes
TABLE [MZI-3.7].)
No
PCM read only memory (ROM) error
The PCM ROM has been corrupted.
An attempt was made to change the calibration
Module programming error
PCM malfunction
order, then go to the next step.
If the vehicle is not repaired, go to the next
step.
then go to next step.
Go to the next step.
Troubleshooting completed.