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Home >> Hyundai >> 2017 >> Azera Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (3 Of 3) >> DTC P0663: Intake Manifold Tuning Valve Control Circuit/Open (Bank 2) >> W/Harness Inspection >> Control Circuit Inspection

Control Circuit Inspection

Check short to ground in harness 

  1. IG "OFF" and disconnect VIS2 connector and PCM connector.
  2. Measure resistance between control terminal of VIS2 harness connector and chassis ground.

    Specification:  Infinite

    Fig 1: Measuring Resistance Between Control Terminal Of VIS2 Harness Connector And Chassis Ground
    G12090165Courtesy of HYUNDAI MOTOR AMERICA
  3. Is the measured resistance within specification?

    YES 

    • Go to "Check open in harness" as follows.

    NO 

Check open in harness 

  1. IG "OFF" and disconnect VIS2 connector and PCM connector.
  2. Measure resistance between control terminal of VIS2 harness connector and VIS2 control terminal of PCM harness connector.

    Specification:  Below 1Ω

    Fig 2: Measuring Resistance Between Control Terminal Of VIS2 Harness Connector And VIS2 Control Terminal Of PCM Harness Connector
    G12090166Courtesy of HYUNDAI MOTOR AMERICA
  3. Is the measured resistance within specification?

    YES 

    NO