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Home >> Hyundai >> 2011 >> Azera GLS >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (3 Of 3) >> DTC P050B: Cold Start Ignition Timing Performance >> General Information >> DTC Detecting Condition

General Information: DTC Detecting Condition

DTC DETECTING CONDITION CHART

Item Detecting Condition Possible cause
DTC Strategy
  • Monitor the spark timing
  1. Faulty Ignition Coil
  2. Faulty ECM
Enable Conditions
  • After engine overnight soaking
  • Vehicle is not rapidly accelerating or decelerating.
  • 11V< Battery Voltage < 16V
  • Engine is running.
  • NO DTC related to CKPS, Ignition coil, and Misfire
Threshold value
  • The actual spark timing > the commanded spark timing + 15° or < the commanded spark timing -15°
Diagnosis Time
  • Within 1 minute after cold-starting
MIL On Condition
  • 2 driving cycles
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