Check For Intermittent Problems [03/2023 - ]

WARNING: This page is about a different car, the 2025 Toyota Prius, 2024 Toyota Prius Prime, and 2023 Toyota Prius Prime. However, it is still accessible from the selected car via links, so may be relevant.

CHECK FOR INTERMITTENT PROBLEMS
1. Perform a simulation test.
  1. Reproduce the plug-in charging status when a malfunction occurred based on the customer's comments, freeze frame data recorded when the DTC was stored and freeze frame data recorded in Vehicle Control History.
    Refer to HOW TO PROCEED WITH TROUBLESHOOTING [12/2022 - ]
2. Check the connector(s) and terminal(s).
  Refer to ELECTRONIC CIRCUIT INSPECTION PROCEDURE [12/2022 - ]
3. Wiggle the harness and connector(s).
  Refer to HOW TO PROCEED WITH TROUBLESHOOTING [12/2022 - ]
4. Heat or cool suspected parts.
  Refer to HOW TO PROCEED WITH TROUBLESHOOTING [12/2022 - ]