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Home >> Hyundai >> 2009 >> Elantra GLS, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> DTC Troubleshooting Procedures >> DTC P0300 Random/Multiple Cylinder Misfire Detected >> System Inspection >> Timing Inspection
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Timing Inspection

  1. With ignition "OFF", set up an oscilloscope as follows:

    Channel A (+): terminal 3 of the Crankshaft Position Sensor (CKPS), (-): ground

    Channel B (+): terminal 3 of the Camshaft Position Sensor (CMPS), (-): ground

  2. Start the engine and check for signal waveform whether synchronize with camshaft sensor or not.
    Fig 1: Signal Waveform Of CMPS Falling Rising Edge Of CKP
    G05363834Courtesy of HYUNDAI MOTOR CO.
  3. Is the signal waveform normal?

    YES 

    NO 

    • Repair or readjust as necessary, if air gap of the CKPS is exceeds specification [0.3~1.7 mm (0.012~0.067 in)]. If OK, check that the crankshaft and camshaft are correctly aligned the matching marks of the pulleys. Repair or readjust as necessary and go to "VERIFICATION OF VEHICLE REPAIR " procedure.
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