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General Information: DTC Detecting Condition

DTC DETECTING CONDITION AND POSSIBLE CAUSES

Item Detecting Condition Possible Cause
DTC Strategy
  • Check Crankshaft Signal Switching.
  • Open or short in signal, ground or power supply circuit
  • Contact resistance in connectors
  • Damage to the connecting flange/flywheel
  • Misadjusted crankshaft and camshaft pulley position
  • Faulty CKP sensor
Case 1) Enable Conditions Before Synchronization
  • Camshaft signal valid
  • Battery voltage > 10V
Threshold Value
  • Valid Crankshaft Teeth not yet detected with Camshaft Signal
  • Can not detect TDC with valid Crankshaft Teeth and Camshaft Signal
  
Diagnosis Time
  • Continuous
Case 2) Enable Conditions After Synchronization
  • Camshaft signal valid
  • Battery voltage > 10V
Threshold Value
  • Number of Crankshaft Teeth is not correct
  
Diagnosis Time
  • Continuous
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