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