Mazda CX-9 Grand Touring 2009 Manual page 1072

2008 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.7) - Mazda CX-9
present?
VERIFY AFTER REPAIR
PROCEDURE
Perform the "AFTER REPAIR
11
PROCEDURE". (See AFTER
REPAIR PROCEDURE [MZI-
3.7].)
Are any DTCs present?
DTC P0446 [MZI-3.7]
DTC P0446 (MZI-3.7) DETECTION CONDITIONS AND POSSIBLE CAUSES
DTC P0446 CV solenoid valve control circuit
DETECTION
CONDITION
POSSIBLE
CAUSE
2008 Mazda CX-9 Grand Touring
Yes
No
Monitors the CV solenoid valve circuit for an electrical failure. The test fails when
the signal moves outside the minimum or maximum allowable calibrated parameters
for a specified canister vent duty cycle by PCM command.
CV solenoid valve malfunction
Connector or terminal malfunction
Short to ground between CV solenoid valve terminal B and PCM terminal 1Z
Open circuit between battery and CV solenoid valve terminal A
Short to power supply between CV solenoid valve terminal B and PCM terminal 1Z
Open circuit between CV solenoid valve terminal B and PCM terminal 1Z
PCM malfunction
Go to the applicable DTC inspection. (See DTC
TABLE [MZI-3.7].)
Troubleshooting completed.