Mazda CX-9 Grand Touring 2009 Manual page 1206

2008 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.7) - Mazda CX-9
VENTILATION (PCV) VALVE
HEATER FITTING INSPECTION
[MZI-3.7] .)
Is there any malfunction?
VERIFY TROUBLESHOOTING OF DTC
P145E HAS BEEN COMPLETED
Verify that all disconnected connectors
reconnected.
Clear the DTC from the PCM memory
9
using the M-MDS.
Perform the "KOEO or KOER self-test"
using the M-MDS. (See KOEO/KOER
SELF TEST [MZI-3.7].)
Is the PENDING CODE for the DTC
present?
VERIFY AFTER REPAIR PROCEDURE
Perform the "AFTER REPAIR
10
PROCEDURE". (See AFTER REPAIR
PROCEDURE [MZI-3.7].)
Are any DTCs present?
DTC P1464 [MZI-3.7]
DTC P1464 (MZI-3.7) DETECTION CONDITIONS AND POSSIBLE CAUSES
DTC P1464
DETECTION
CONDITION
POSSIBLE CAUSE
DIAGNOSTIC PROCEDURE
DTC P1464 (MZI-3.7) DIAGNOSTIC PROCEDURE
STEP
VERIFY FREEZE FRAME DATA HAS
BEEN RECORDED
1
Has FREEZE FRAME DATA been
2008 Mazda CX-9 Grand Touring
A/C demand out of self-test range
The DTC sets when the PCM receives a request for A/C during the
self-test.
A/C or defrost on during self-test
A/C relay circuit short to voltage
A/C switch malfunction
A/C relay malfunction
INSPECTION
No Go to the next step.
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
Yes Go to the next step.
No
Record FREEZE FRAME DATA on the repair