7
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 CV SOLENOID VALVE
CONTROL CIRCUIT FOR OPEN
CIRCUIT
z
Turn the ignition switch off.
z
Inspect continuity between CV
solenoid valve terminal B and PCM
terminal 1Z.
z
Is there continuity?
Yes Go to the next step.
No
Repair or replace suspected part, then go to the
Step 10.
9
INSPECT CV SOLENOID VALVE
z
Inspect the CV solenoid valve. (See
CHARCOAL CANISTER,
CANISTER VENT (CV)
SOLENOID VALVE, AIR
FILTER COMPONENT
INSPECTION [MZI-3.7]
.)
z
Is there any malfunction?
Yes
Replace CV solenoid valve (See
CHARCOAL
CANISTER, CANISTER VENT (CV)
SOLENOID VALVE, AIR FILTER
COMPONENT REMOVAL/INSTALLATION
[MZI-3.7]
.), then go to Step 10.
No
Go to the next step.
10
VERIFY TROUBLESHOOTING OF
DTC P0446 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-3.7]
.)
z
Is the PENDING CODE same DTC
present?
Yes
Replace PCM, then go to the next step. (See
PCM
REMOVAL/INSTALLATION [MZI-3.7]
.)
No
Go to the next step.
11
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 10:08:38 AM
Page 211
© 2005 Mitchell Repair Information Company, LLC.
