DTC P0446-00: CV Solenoid Valve Control Circuit Problem: Notes

DTC P0446:00 (PCM, SKYACTIV-G 2.0) DETECTION CONDITION AND POSSIBLE CAUSE

DTC P0446:00	CV solenoid valve control circuit problem
DETECTION CONDITION	The PCM 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 the PCM command. Diagnostic support note This is a continuous monitor (CCM). The check engine light illuminates if the PCM detects the above malfunction condition in two consecutive drive cycles or in one drive cycle while the DTC for the same malfunction has been stored in the PCM. PENDING CODE is available if the PCM detects the above malfunction condition during first drive cycle. FREEZE FRAME DATA/Snapshot data is available. DTC is stored in the PCM memory.
FAIL-SAFE FUNCTION	Not applicable
POSSIBLE CAUSE	CV solenoid valve connector or terminals malfunction Short to ground or open circuit in CV solenoid valve power supply circuit Short to ground in wiring harness between ENGINE6 10 A fuse and CV solenoid valve terminal A ENGINE6 10 A fuse malfunction Open circuit in wiring harness between main relay terminal C and CV solenoid valve terminal A PCM connector or terminals malfunction Short to ground in wiring harness between CV solenoid valve terminal B and PCM terminal 2AL Short to power supply in wiring harness between CV solenoid valve terminal B and PCM terminal 2AL Open circuit in wiring harness between CV solenoid valve terminal B and PCM terminal 2AL CV solenoid valve malfunction PCM malfunction

Courtesy of MAZDA MOTORS CORP.