Mazda CX-9 Grand Touring 2009 Manual page 1218

2008 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.7) - Mazda CX-9
Is the PENDING CODE for this DTC
present?
VERIFY TROUBLESHOOTING OF DTC
P1650 HAS BEEN COMPLETED
Verify that all disconnected connectors
reconnected.
Start the engine.
8
Clear DTC from PCM memory using
M-MDS.
Perform the "KOEO/KOER Self-Test".
(See KOEO/KOER SELF TEST
[MZI-3.7].)
Is same DTC present?
VERIFY AFTER REPAIR PROCEDURE
Perform "AFTER REPAIR
9
PROCEDURE". (See AFTER
REPAIR PROCEDURE [MZI-3.7].)
Are any DTCs present?
DTC P1674 [MZI-3.7]
DTC P1674 (MZI-3.7) DETECTION CONDITIONS AND POSSIBLE CAUSES
DTC P1674
DETECTION
CONDITION
POSSIBLE CAUSE
DIAGNOSTIC PROCEDURE
DTC P1674 (MZI-3.7) DIAGNOSTIC PROCEDURE
STEP INSPECTION
VERIFY FREEZE FRAME DATA
HAS BEEN RECORDED
1
Has FREEZE FRAME DATA been
recorded?
VERIFY RELATED REPAIR
INFORMATION AVAILABILITY
2008 Mazda CX-9 Grand Touring
Control module software corrupted
Indicates that an error occurred in the PCM. This DTC is set in
combination with P2105.
Software incompatibility issue
PCM malfunction
Yes Go to the next step.
No
Yes
Replace the PCM, then go to the next step.
Yes (See PCM REMOVAL/INSTALLATION
[MZI-3.7] .)
No Go to the next step.
Go to the applicable DTC inspection. (See
Yes
DTC TABLE [MZI-3.7].)
No Troubleshooting completed.
ACTION
Record FREEZE FRAME DATA on the repair
order, then go to the next step.
Perform repair or diagnosis according to the
available Service Bulletins.