DTC P004C-00: Three Way Solenoid Valve Control Circuit Low Input: Notes

DTC P004C:00 DETECTION CONDITION AND POSSIBLE CAUSE

DTC P004C:00	Three way solenoid valve control circuit low input
DETECTION CONDITION	The three way solenoid valve control voltage at the PCM terminal 1BH is low for a continuous 5 s relative to the PCM control condition. Diagnostic support note This is a continuous monitor (other). The check engine light does not illuminate. FREEZE FRAME DATA is not available. Snapshot data is available. DTC is stored in the PCM memory.
FAIL-SAFE FUNCTION	Not applicable
POSSIBLE CAUSE	Three way solenoid valve connector or terminals malfunction Short to ground or open circuit in three way solenoid valve power supply circuit: Short to ground in wiring harness between ENGINE 1 15 A fuse and three way solenoid valve terminal A ENGINE1 15 A fuse malfunction Open circuit in wiring harness between main relay terminal C and three way solenoid valve terminal A PCM connector or terminals malfunction Short to ground in wiring harness between three way solenoid valve terminal B and PCM terminal 1BH Open circuit in wiring harness between three way solenoid valve terminal B and PCM terminal 1BH Three way solenoid valve malfunction PCM malfunction
Courtesy of MAZDA MOTORS CORP.