FixVault

DTC P2100: Notes

DTC P2100 (MZI-3.5) DETECTION CONDITION AND POSSIBLE CAUSES

DTC P2100 Throttle actuator circuit open
DETECTION CONDITION 
  • A PCM malfunction flag is set indicating the motor circuit is open.
POSSIBLE CAUSE 
  • Throttle actuator malfunction
  • Connector or terminal malfunction
  • Open circuit wiring harness between throttle body terminal A and PCM terminal 2BO
  • Short to power supply in wiring harness between throttle body terminal A and PCM terminal 2BO
  • Open circuit wiring harness between throttle body terminal B and PCM terminal 2BR
  • Short to power supply in wiring harness between throttle body terminal B and PCM terminal 2BR
  • Throttle actuator circuits are shorted each other
G04969311Courtesy of MAZDA MOTORS CORP.