Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSTOYOTA2020RAV4 XLE, AWDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT VARIANT/TRIMSECTION 88 (CAN COMMUNICATION SYSTEM (HV) - CIRCUIT TESTS (5 OF 6))
2020 Toyota RAV4 XLE, AWD
Section 88 (Can Communication System (HV) - Circuit Tests (5 Of 6))
2020 Toyota RAV4 XLE, AWDSECTION Section 88 (Can Communication System (HV) - Circuit Tests (5 Of 6))
WARNING: This page is about a different variant/trim than selected.
- CAN COMMUNICATION SYSTEM (for HV Model)
- Open in Bus 4 Main Bus Line [08/2020 - ]
- Check Bus 4 Lines for Short Circuit [11/2018 - 02/2019]
- Check Bus 4 Lines for Short Circuit [02/2019 - 08/2020]
- Check Bus 4 Lines for Short Circuit [08/2020 - 12/2021]
- Check Bus 4 Lines for Short Circuit [12/2021 - 10/2022]
- Check Bus 4 Lines for Short Circuit [10/2022 - ]
- Check Bus 4 Line for Short to +B [11/2018 - 02/2019]
- Check Bus 4 Line for Short to +B [02/2019 - 08/2020]
- Check Bus 4 Line for Short to +B [08/2020 - 12/2021]
- Check Bus 4 Line for Short to +B [12/2021 - 10/2022]
- Check Bus 4 Line for Short to +B [10/2022 - ]
- Check Bus 4 Line for Short to GND [11/2018 - 02/2019]
- Check Bus 4 Line for Short to GND [02/2019 - 08/2020]
- Check Bus 4 Line for Short to GND [08/2020 - 12/2021]
- Check Bus 4 Line for Short to GND [12/2021 - 10/2022]
- Check Bus 4 Line for Short to GND [10/2022 - ]
- Open in One Side of Bus 4 Branch Line [11/2018 - 02/2019]
- Open in One Side of Bus 4 Branch Line [02/2019 - 08/2020]
- Open in One Side of Bus 4 Branch Line [08/2020 - 12/2021]
- Open in One Side of Bus 4 Branch Line [12/2021 - ]
- Open in Bus 5 Main Bus Line [11/2018 - 02/2019]
- Open in Bus 5 Main Bus Line [02/2019 - 10/2022]
- Open in Bus 5 Main Bus Line [10/2022 - ]
RENDER: 1.0x
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.