Section 444 (Can Communication System (Except HEV) (Early 2023, Except TMC) - Circuit Tests (1 Of 2) & Diagnostic Codes)
WARNING: This page is about a different car, the 2023 Toyota GR Corolla and 2023 Toyota Corolla. However, it is still accessible from the selected car via links, so may be relevant.
- CAN COMMUNICATION SYSTEM (for Gasoline Model except TMC Made)
- DTC B1003: ECU Malfunction [09/2022 - 11/2022]
- Skid Control ECU Communication Stop Mode [09/2022 - 11/2022]
- Air Conditioning Amplifier Communication Stop Mode [09/2022 - 11/2022]
- Power Steering ECU Communication Stop Mode [09/2022 - 11/2022]
- Steering Angle Sensor Communication Stop Mode [09/2022 - 11/2022]
- ECM Communication Stop Mode [09/2022 - 11/2022]
- Transmission Control ECU Communication Stop Mode [09/2022 - 11/2022]
- Main Body ECU Communication Stop Mode [09/2022 - 11/2022]
- Combination Meter ECU Communication Stop Mode [09/2022 - 11/2022]
- Certification ECU Communication Stop Mode [09/2022 - 11/2022]
- Center Airbag Sensor Communication Stop Mode [09/2022 - 11/2022]
- Radio Receiver Assembly Communication Stop Mode [09/2022 - 11/2022]
- Blind Spot Monitor Sensor Communication Stop Mode [09/2022 - 11/2022]
- DCM Communication Stop Mode [09/2022 - 11/2022]
- Millimeter Wave Radar Sensor Communication Stop Mode [09/2022 - 11/2022]
- Restraints Occupant Classification System Module Communication Stop Mode [09/2022 - 11/2022]
- Open in Bus 1 Main Bus Line [09/2022 - 11/2022]
- Check Bus 1 Lines for Short Circuit [09/2022 - 11/2022]
- Check Bus 1 Line for Short to +B [09/2022 - 11/2022]
- Check Bus 1 Line for Short to GND [09/2022 - 11/2022]
- Open in One Side of Bus 1 Branch Line [09/2022 - 11/2022]