Engine Control System - DTC Diagnostics (U0101- U3502 & Troubleshooting Index)

• DTC Troubleshooting
  • DTC U0101, U0103, U0104, U0114, U0122, U0126, U0128, U0129, U0131, U0132, U0151, U0155, U129E (PGM-FI System)
    • Notes
    • Overview
    • Inspection Area
    • Inspection Outline
    • Confirmation Procedure
    • Related Information
    • HDS Function
    • Inspection
      • Communication (F-CAN A_H), Communication (F-CAN A_L), Communication (F-CAN B_H), Communication (F-CAN B_L) Open Wire Inspection
      • Communication (F-CAN) Open Wire Inspection - For DTC U0101: F-CAN A_H, F-CAN A_L, F-CAN B_H, F-CAN B_L
      • Communication (F-CAN) Open Wire Inspection - For DTC U0103: F-CAN A_H, F-CAN A_L, F-CAN B_H, F-CAN B_L
      • Communication (F-CAN) Open Wire Inspection - For DTC U0104: F-CAN E_H, F-CAN E_L
      • Communication (F-CAN) Open Wire Inspection - For DTC U0114: F-CAN C_H, F-CAN C_L
      • Communication (F-CAN) Open Wire Inspection - For DTC U0122: F-CAN B_H, F-CAN B_L, F-CAN C_H, F-CAN C_L
      • Communication (F-CAN) Open Wire Inspection - For DTC U0126: F-CAN C_H, F-CAN C_L
      • Communication (F-CAN) Open Wire Inspection - For DTC U0128: F-CAN B_H, F-CAN B_L, F-CAN C_H, F-CAN C_L
      • Communication (F-CAN) Open Wire Inspection - For DTC U0129: F-CAN B_H, F-CAN B_L, F-CAN C_H, F-CAN C_L
      • Communication (F-CAN) Open Wire Inspection - For DTC U0131: F-CAN C_H, F-CAN C_L
      • Communication (F-CAN) Open Wire Inspection - For DTC U0132: F-CAN C_H, F-CAN C_L
      • Communication (F-CAN) Open Wire Inspection - For DTC U0151: F-CAN C_H, F-CAN C_L
      • Communication (F-CAN) Open Wire Inspection - For DTC U0155: F-CAN D_H, F-CAN D_L
      • Communication (F-CAN) Open Wire Inspection - For DTC U129E: F-CAN B_H, F-CAN B_L
      • PCM Inspection
      • Transmitting Control Unit Inspection
  • DTC U0141 (PGM-FI System) (2025)
    • Notes
    • Overview
  • DTC U0146 (PGM-FI System)
    • Notes
    • Overview
    • Inspection Area
    • Inspection Outline
    • Confirmation Procedure
    • Related Information
    • HDS Function
    • Inspection
      • Communication (F-CAN A_H), Communication (F-CAN A_L), Communication (F-CAN B_H), Communication (F-CAN B_L) Open Wire Inspection
      • PCM Inspection
  • DTC U01B0 (PGM-FI System) (2025)
    • Notes
    • Overview
    • Inspection Outline
    • Confirmation Procedure
    • Related Information
    • HDS Function
    • +B_BATT_SNSR, LIN(ACG) Circuit Inspection
    • Component Connected to LIN(ACG) Circuit Inspection
    • 12 Volt Battery Sensor Inspection
    • 12 Volt Battery Sensor Circuit Inspection
    • PCM Inspection
  • DTC U0298 (PGM-FI System) (2025)
    • Notes
    • Overview
    • Inspection Outline
    • Confirmation Procedure
    • Related Information
    • HDS Function
    • IG1_ACG, LIN(ACG) Circuit Inspection
    • Component Connected to LIN(ACG) Circuit Inspection
    • DC-DC Converter Inspection
    • DC-DC Converter Circuit Inspection
    • PCM Inspection
  • DTC U0301 (PGM-FI System)
    • Notes
    • Overview
    • Inspection Outline
    • Confirmation Procedure
    • Related Information
    • HDS Function
    • Inspection
      • PCM Inspection
  • DTC U3500 (PGM-FI System) (2024 2025)
    • Notes
    • Overview
  • DTC U3501 (PGM-FI System) (2024 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 (PGM-FI System) (2024 2025)
    • Notes
    • Overview
    • Inspection Outline
    • Confirmation Procedure
    • Related Information
    • HDS Function
• DTC Troubleshooting Index
  • Fuel and Emissions Systems DTC Troubleshooting Index (USA/Canada models) (2019)
  • Fuel and Emissions Systems DTC Troubleshooting Index (USA/Canada models) (2020)
  • Fuel and Emissions Systems DTC Troubleshooting Index (USA/Canada models) (2021)
  • Fuel and Emissions Systems DTC Troubleshooting Index (USA/Canada models) (2022 2023)