Engine Control System Diagnostics (U129E - U3502)

• DTC Troubleshooting
  • DTC U129E (1.5L Engine, PGM-FI System)
    • Notes
    • Overview
    • Inspection Outline
    • Confirmation Procedure
    • Related Information
    • HDS Function
  • DTC U129E (2.0L Engine, PGM-FI System) (2024 2025)
    • Notes
    • Overview
    • Inspection Outline
    • Confirmation Procedure
    • Related Information
    • HDS Function
  • DTC U3500 (1.5L Engine, PGM-FI System) (2025)
    • Notes
    • Overview
  • DTC U3501 (1.5L Engine, PGM-FI System) (2025)
    • Notes
    • Overview
    • Inspection Outline
    • Confirmation Procedure
    • Related Information
    • HDS Function
    • +B_IGP Circuit Inspection
    • FI_MAIN_RLY_OUT, FI_MAIN_RLY_CL- Open Wire Inspection
    • FI_MAIN_RLY_OUT Shorted Wire Inspection
    • Components Connected to FI_MAIN_RLY_OUT Circuit Inspection
    • PCM Inspection
  • DTC U3502 (1.5L Engine, PGM-FI System) (2025)
    • Notes
    • Overview
    • Inspection Outline
    • Confirmation Procedure
    • Related Information
    • HDS Function