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Home >> Hyundai >> 2017 >> Azera Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (3 Of 3) >> DTC P050B: Cold Start Ignition Timing Performance >> Component Inspection
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Component Inspection

Check Ignition Coil 

  1. IG "OFF" and disconnect ignition coil connector.
  2. Measure resistance between power and signal terminals of ignition coil connector. (Measurement "A")
  3. Measure resistance between power terminal of ignition coil connector and out terminal of secondary ignition coil.

    (Measurement "B")

    Specification: 

    Resistance (Ω) "A" Primary Coil "B" Secondary Coil
    0.62 ± 10% (20°C) (68°F) 7.0k ± 15% (20°C) (68°F)
    Fig 1: Measuring Resistance Between Power And Signal Terminals Of Ignition Coil Connector (Measurement A)
    G12090066Courtesy of HYUNDAI MOTOR AMERICA
    Fig 2: Measuring Resistance Between Power Terminal Of Ignition Coil Connector And Out Terminal Of Secondary Ignition Coil (Measurement B)
    G12090067Courtesy of HYUNDAI MOTOR AMERICA
  4. Is the measured resistance within specification?

    YES 

    • Substitute with a known - good PCM and check for proper operation. If the problem is corrected, replace PCM and go to "Verification of Vehicle Repair " procedure.

    NO 

    • Substitute with a known - good Ignition Coil and check for proper operation. If the problem is corrected, replace Ignition Coil and go to "Verification of Vehicle Repair " procedure.