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Home › Mazda › 2007 › CX-9 Touring, 3.5 C, FWD › Repair and Diagnosis › Engine Performance › System › On-Board Diagnostic [Engine Control System MZI-3.5) › DTC P0320 › Notes

DTC P0320: Notes

DTC P0320 (MZI-3.5) DETECTION CONDITION AND POSSIBLE CAUSES

DTC P0320 Ignition/distributor engine speed input circuit
DETECTION CONDITION 
  • The ignition engine speed sensor input signal to the PCM is continuously monitored.
  • The test fails when the signal indicates that 2 successive erratic PIP pulses occurred.
POSSIBLE CAUSE 
  • Loose wires/connectors.
  • Arcing secondary ignition components (coil, wires or plugs).
  • On-board transmitter (2-way radio).
G04969278Courtesy of MAZDA MOTORS CORP.
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