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Home >> Hyundai >> 2017 >> Sonata Base >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 48 (Engine Control System Diagnosis - 2.0L (3 Of 3) (Except HEV)) >> DTC P2088: 'A' Camshaft Position Actuator Circuit Low (Bank 1) >> Component Inspection >> Notes

Component Inspection: Notes

WARNING: This page is about a different variant/trim than selected.
  1. IG "OFF". Connect a GDS and oscilloscope.
  2. Connect CH A, B probe to (+), (-) control terminal of E-CVVT connector.
  3. Warm up the engine to normal operating temperature.
  4. Measure signal waveform of E-CVVT control together by actuating the throttle.

    Specification:  Signal waveform will be displayed as follows.

  5. Is the measured value within specification?

    YES 

    • Check for poor connection between PCM and component: backed out terminal, improper mating, broken locks or poor terminal to wire connection. Repair as necessary and go to "VERIFICATION OF VEHICLE REPAIR " procedure.

    NO 

    • Check the mechanical connection between E-CVVT assembly and camshaft.
    • Visually check oil leakage around E-CVVT assembly.
    • Substitute with a known - good E-CVVT and check for proper operation. If the problem is corrected, replace E-CVVT and go to "VERIFICATION OF VEHICLE REPAIR " procedure.
    NOTE: When the electric E-CVVT assembly is replaced or remounted, make sure to use the additional feature menu on the GDS diagnosis equipment and reset the learned value.
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