z
Turn the ignition switch off.
z
Disconnect PCM connector.
z
Inspect for poor connection (such
as damaged/pulled-out pins,
corrosion).
z
Is there any malfunction?
No
Go to the next step.
8
INSPECT PURGE SOLENOID
VALVE CONTROL CIRCUIT FOR
OPEN CIRCUIT
z
Turn the ignition switch off.
z
Inspect continuity between purge
solenoid valve terminal B and
PCM terminal 1BC.
z
Is there continuity?
Yes
Go to the next step.
No
Repair or replace suspected part, then go to
the Step 10.
9
INSPECT PURGE SOLENOID
VALVE
z
Inspect the purge solenoid valve.
(see
PURGE SOLENOID
VALVE INSPECTION [MZI-
3.5]
.)
z
Is there any malfunction?
Yes
Replace purge solenoid valve
(see
PURGE SOLENOID VALVE
REMOVAL/INSTALLATION [MZI-
3.5]
.), then go to Step 10.
No
Go to the next step.
10
VERIFY TROUBLESHOOTING OF
DTC P0443 COMPLETED
z
Make sure to reconnect all
disconnected connectors.
z
Clear DTC from PCM memory
using M-MDS.
z
Perform the "KOEO or KOER
self-test" using the M-MDS.
(See
KOEO/KOER SELF TEST
[MZI-3.5]
.)
z
Is the PENDING CODE same
DTC present?
Yes
Replace PCM, then go to the next step.
(see
PCM
REMOVAL/INSTALLATION [MZI-
3.5]
.)
No
Go to the next step.
11
VERIFY AFTER REPAIR
PROCEDURE
z
Perform the "AFTER REPAIR
Yes
Go to the applicable DTC inspection.
(See
DTC TABLE [MZI-3.5]
.)
2007 Mazda CX-9 Grand Touring
2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9
Microsoft
Sunday, November 15, 2009 9:26:33 AM
Page 221
© 2005 Mitchell Repair Information Company, LLC.