LEMON Manuals: Even more car manuals for everyone
Home >> Kia >> 2017 >> Optima Plug-In Hybrid EX >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (2 Of 3) (PHEV) >> DTC P0401-00: Exhaust Gas Recirculation Flow Insufficient Detected >> Component Inspection >> EGRV Actuation Test

EGRV Actuation Test

  1. Connect KDS/GDS to Data Link Connector (DLC).
  2. Ignition "ON" & Engine "OFF"
  3. Perform "Exhaust Gas Recirculation Valve" in "Actuation Test  " with KDS/GDS.
  4. Monitor "Exhaust Gas Recirculation Valve" parameter in "Current Data  " with KDS/GDS.

    Specification:  Refer to Figure below (Also, operating sound (Clicking sound) is heard)

    G12356795Courtesy of KIA MOTORS AMERICA, INC.
  5. Is measured value within specification?

    YES 

    • Carefully re-do this troubleshooting guide steps.
    • If the diagnostics have been performed correctly with no failure found, replace the ECM/PCM and then go to "VERIFICATION OF VEHICLE REPAIR " procedure.

    NO 

    • Carefully re-do this troubleshooting guide steps.
    • If no problems were found with the circuits or connectors, replace EGR Valve and then go to "VERIFICATION OF VEHICLE REPAIR " procedure.
CAUTION: After replacing the Electric EGR control valve, MUST perform the "Resetting Adaptive Values" procedure. Otherwise trouble related with engine performance or emission control may occur until ECM learning about the component is over.