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P0320 - Ignition/Distributor Engine Speed Input Circuit

P0320 - IGNITION/DISTRIBUTOR ENGINE SPEED INPUT CIRCUIT

Description:  The ignition engine speed sensor input signal to powertrain control module (PCM) is continuously monitored. The test fails when the signal indicates that 2 successive erratic profile ignition pickup (PIP) pulses occurred.
Possible Causes: 
  • Loose wires/connectors
  • Arcing secondary ignition components (coil, wires and plugs)
  • On-board transmitter (2-way radio)
Diagnostic Aids:  The DTC indicates that 2 successive erratic PIP pulses occurred.
Application  Key On Engine Off  Key On Engine Running  Continuous Memory 
All   - - refer to PINPOINT TEST NC .