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Home >> Hyundai >> 2017 >> Azera Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (3 Of 3) >> DTC P0660: Intake Manifold Tuning Valve Control Circuit/Open (Bank 1) >> Component Inspection

Component Inspection

■ Check VIS1 

  1. IG "OFF" and disconnect VIS1 connector.
  2. Measure resistance between power and control terminals of VIS1 connector. (Component side)

    Specification:  30 ~ 35 Ω (22°C/71.6°F)

    Fig 1: Measuring Resistance Between Power And Control Terminals Of VIS1 Connector (Component Side)
    G12090160Courtesy of HYUNDAI MOTOR AMERICA
  3. Is the measured resistance within specification?

    YES 

    • Substitute with a known - good PCM and check for proper operation. If the problem is corrected, replace PCM and go to "Verification of Vehicle Repair " procedure.

    NO 

    • Substitute with a known - good VIS1 and check for proper operation. If the problem is corrected, replace VIS1 and go to "Verification of Vehicle Repair " procedure.
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