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Home >> Hyundai >> 2021 >> Veloster N Standard Trans >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (3 Of 3) >> DTC P2016-00: Intake Manifold Runner Position Sensor/Switch Circuit Low (Bank 1) >> Component Inspection >> VCMA

Component Inspection: VCMA

  1. With ignition switch turned 'OFF', connect probes to motor control terminals of VCM motor and signal terminal of VCM position sensor respectively.
  2. Start the engine.
  3. Monitor waveforms while step on and off the accelerator pedal by using VMI.
  4. Is the waveform within the specification?

    YES 

    • Check for poor connection between ECM and component: backed out terminal, improper mating, broken locks or poor terminal to wire connection. Repair as necessary and go to "Verification Of Repair " procedure.

    NO 

    • Disassemble VCMA and Intake Manifold and check stuck by carbon or foreign object. Check the component for contamination, deterioration, or damage.
    • If there is no objects can be a cause of making flap stuck open, substitute with a known-good component and check for proper operation. If the problem is corrected, replace the component and then go to "Verification Of Repair " procedure.
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