Differential - Service, Testing And Troubleshooting

• Connector View
  • i-VTM Control Unit Connector for Inputs and Outputs (AWD) (2017 2018 2019)
  • i-VTM Control Unit Connector for Inputs and Outputs (AWD) (2020 2021 2022 2023 2024 2025)
• Repair Procedures, Tests
  • Yaw Rate-Lateral/Longitudinal Acceleration Neutral Position Memorization (AWD)
    • Procedure
• Rewrite
  • i-VTM Control Unit Update (AWD)
    • Procedure
• Inspection Replacement
  • Rear Differential Fluid Inspection and Replacement (AWD)
    • Inspection
    • Replacement
• Circuit Diagram
  • Rear Differential Circuit Diagram (AWD) (2017 2018)
  • Rear Differential Circuit Diagram (AWD) (2019)
  • Rear Differential Circuit Diagram (AWD) (2020 2021 2022 2023 2024 2025)
• DTC Troubleshooting Index
  • i-VTM System DTC Troubleshooting Index (AWD)
• Component Location Index
  • Rear Differential Component Location Index(AWD)
• Symptom Troubleshooting
  • i-VTM System Symptom Troubleshooting - AWD indicator does not come on (AWD)
  • i-VTM System Symptom Troubleshooting - AWD indicator does not go off, and no DTCs are stored (AWD)
  • i-VTM System Symptom Troubleshooting - Abnormal noise (AWD)
  • i-VTM System Symptom Troubleshooting - HDS does not communicate (AWD (With CAN Gateway)) (2019)
  • i-VTM System Symptom Troubleshooting - HDS does not communicate(AWD (Without CAN Gateway))
  • i-VTM System Symptom Troubleshooting - HDS does not communicate(AWD) (2020 2021)
  • i-VTM System Symptom Troubleshooting - Will not go into AWD mode, Poor traction, Poor acceleration (at start), Poor climbing ability, i-VTM system is stuck in AWD mode(AWD)
• Symptom Troubleshooting Index
  • i-VTM System Symptom Troubleshooting Index (AWD)
• Description & Operation
  • Rear Differential System Description (AWD)
• Replacement
  • Rear Differential Side Case Oil Seal Replacement (AWD)
    • Notes
    • Replacement
• Symptom Troubleshooting Index For Viewer
  • AWD indicator does not come on (AWD)
  • AWD indicator does not go off, and no DTCs are stored (AWD)
  • Abnormal noise(AWD)
  • HDS does not communicate with i-VTM control unit (AWD)
  • HDS does not communicate with vehicle (AWD)
  • Rear differential leaks fluid (AWD)
  • Rear differential overheats (AWD)
  • Will not go into AWD mode, poor traction, poor acceleration (at start), poor climbing ability, i-VTM system is stuck in AWD mode (AWD)
• Initialization
  • i-VTM Control Unit Initialization (AWD)
    • Procedure
• Test
  • Rear Differential Clutch Test (AWD)
    • Notes
    • Test
• How To Information
  • How to Troubleshoot the i-VTM System (AWD)
    • System Indicator
    • AWD Indicator
    • Self-Diagnosis
    • How to Use the HDS (Honda Diagnostic System)
    • How to Retrieve DTCs
    • How to Clear DTCs