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Home >> Hyundai >> 2004 >> Elantra GLS, Standard >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Fuel System >> DTC Trouble Shooting Procedures >> DTC P0340: Camshaft Position Sensor (CMPS) Circuit Malfunction >> Inspection Procedures >> 1. Problem Verification

1. Problem Verification

  1. Connect a Hi-Scan (Pro) to the data link connector.
  2. Start the engine and monitor the CMPS signal at normal operating temperature and no electrical loads.

Is signal continuously fluctuating between OV and 5V? 

No: Go to next step.

Yes: Problem is intermittent or was repaired and engine control module memory was not cleared. Proceed with intermittent problem procedure.

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