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Home >> Genesis >> 2021 >> G90 5.0 Ultimate, RWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 29 (Engine Control System Diagnosis - 3.3L (2 Of 9)) >> DTC P0078-00: Exhaust Valve Control Solenoid Circuit (Bank 1) >> Component Inspection

Component Inspection

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  1. IG "OFF".
  2. Disconnect OCV (Exhaust) connector.
  3. Measure resistance between power terminal and control terminal of OCV (Exhaust) connector (Component side).

    Specification:  6.9~7.9Ω [20°C (68°F)]

  4. Is resistance within 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 VEHICLE REPAIR " procedure.

    NO 

    • Substitute with a known - good OCV (Exhaust) and check for proper operation. If the problem is corrected, replace OCV (Exhaust) and go to "VERIFICATION OF VEHICLE REPAIR " procedure.