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DTC P0322 - Ignition/Distributor Engine Speed Input Circuit No Signal

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P0322 - IGNITION/DISTRIBUTOR ENGINE SPEED INPUT CIRCUIT NO SIGNAL

Description:  This DTC sets when the crankshaft position (CKP) sensor profile ignition pickup (PIP) pulse is missing for greater than a calibrated number of camshaft revolutions when the camshaft speed exceeds the equivalent speed of engine idle.
Possible Causes: 
  • CKP+ circuit intermittent open (VR type)
  • CKP- circuit open (VR type)
  • CKP circuit open (Hall effect)
  • VREF circuit open (Hall effect)
  • SIGRTN circuit open (Hall effect)
  • CKP+ circuit short to voltage (VR type)
  • CKP- circuit short to voltage (VR type)
  • CKP circuit short to voltage (Hall effect)
  • VREF circuit short to voltage (Hall effect)
  • SIGRTN circuit short to voltage (Hall effect)
  • CKP+ circuit short to ground (VR type)
  • CKP- circuit short to ground (VR type)
  • CKP circuit short to ground (Hall effect)
  • VREF circuit short to ground (Hall effect)
  • SIGRTN circuit short to ground (Hall effect)
  • Damaged CKP sensor
  • CKP sensor incorrectly installed
  • Incorrect, damaged or corroded connections
Diagnostic Aids:  An inactive CKP signal causes a no start condition. Monitor the RPM PID while cranking the engine. A value of 0 RPM indicates a CKP concern.
Application  Key On Engine Off  Key On Engine Running  Continuous Memory 
All GO to PINPOINT TEST A .