FixVault

DTC P0201: Notes

DTC P0201 (MZI-3.5) DETECTION CONDITION AND POSSIBLE CAUSES

DTC P0201 Injector circuit/open-cylinder No.1
DETECTION CONDITION 
  • The CCM monitors the operation of the fuel injector drivers in the PCM. The test fails if the fuel injector circuitry is inoperative.
POSSIBLE CAUSE 
  • Fuel injector No.1 malfunction
  • Connector or terminal malfunction
  • Open circuit between fuel pump relay and fuel injector No.1 terminal B
  • Open circuit between fuel injector No.1 terminal A and PCM terminal 2BJ
G04969267Courtesy of MAZDA MOTORS CORP.