DTC P0446: CV Solenoid Valve Control Circuit: Notes

DTC P0446 CHART (MZI-3.7)

DTC P0446	CV solenoid valve control circuit
DETECTION CONDITION	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.
POSSIBLE CAUSE	CV solenoid valve connector or terminal malfunction Open circuit between battery and CV solenoid valve terminal A Short to power supply between CV solenoid valve terminal B and PCM terminal 1BE Short to ground between CV solenoid valve terminal B and PCM terminal 1BE PCM connector or terminal malfunction Open circuit between CV solenoid valve terminal B and PCM terminal 1BE CV solenoid valve malfunction PCM malfunction
Courtesy of MAZDA MOTORS CORP.