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Home >> Hyundai >> 2014 >> Tucson GLS, 4WD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis - 2.0L (2 Of 2) >> DTC P050B: Cold Start Ignition Timing Performance >> System Inspection

System Inspection

  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")
    RESISTANCE SPECIFICATION

    Resistance(Ω) "A" Primary Coil "B" Secondary Coil
    750 mΩ ± 15% 5.9 kΩ ± 15%
  4. Is the measured resistance within specification?

    YES 

    • Substitute with a known - good ECM/PCM and check for proper operation. If the problem is corrected, replace ECM/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.
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