DTC P004D-00: Three Way Solenoid Valve Control Circuit High Input

P004D:00 (PCM - VIN Y) DETECTION CONDITION AND POSSIBLE CAUSE

System malfunction location	Three way solenoid valve control circuit high input
Detection condition	The three way solenoid valve control voltage at the PCM terminal 1CP is high relative to the PCM control condition.
Fail-safe	Stop the supercharging pressure control. (fully open the wastegate valve)
Possible cause	Malfunction in wiring harness (including connector/terminal) between three way solenoid valve and PCM (see CIRCUIT INSPECTION .) (see CONNECTOR INSPECTION .) Three way solenoid valve malfunction (Refer to applicable THREE WAY SOLENOID VALVE INSPECTION (VIN Y) in the service information.) PCM malfunction (Refer to applicable PCM REMOVAL/INSTALLATION (VIN Y) in the service information.)
Repeatability verification procedure	Clear the DTC recorded in the memory. (see CLEARING DTC .) Perform the KOER self test. (See DTC INSPECTION .)
Courtesy of MAZDA MOTORS CORP.
1	PCM
2	Three way solenoid valve