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Home >> Kia >> 2017 >> Niro EX >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (3 Of 6) >> DTC P0404-00: Exhaust Gas Recirculation Control Circuit Range/Performance >> Component Inspection >> Component Inspection
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Component Inspection

Inspection Condition Inspection Procedure Reference
  1. Ignition "ON" and Engine "OFF".
  1. Connect KDS/GDS to Data Link Connector (DLC).
  2. Perform "Actuation Test" of concerned component with KDS/GDS.
Fig 1
Fig 1: Screen Display - EGR Valve Current Data When Performing Exhaust Gas Recirculation Valve In Actuation Test With KDS/GDS
G12330040Courtesy of KIA MOTORS AMERICA, INC.
Good 
  • Fault might be intermittent and caused either by poor contact in connectors or wiring harness, or it has been repaired and control module memory is not cleared yet. Thoroughly check terminal of battery, all connectors (and connections) for looseness, bending, corrosion, contamination, deterioration, and/or damage. Repair or replace as necessary and then go to "VERIFICATION OF REPAIR " procedure.
No Good