Problem Symptoms Table [11/2015 - 11/2017]
HINT:
- Use the table below to help determine the cause of problem symptoms.
- Inspect the fuses and relays related to this system before inspecting the suspected areas below.
- Because the order of diagnosis is important to allow correct diagnosis, make sure to begin troubleshooting using How to Proceed with Troubleshooting when CAN communication system related DTCs are output.
Refer to HOW TO PROCEED WITH TROUBLESHOOTING [11/2015 - 12/2018]
RESULT LIST OF HOW TO PROCEED WITH TROUBLESHOOTING
| Symptom | Suspected Area | Link |
|---|---|---|
Either of the following:
|
Open in Bus 1 Main Bus Line | Refer to Open in Bus 1 Main Bus Line [11/2015 - 12/2018] |
Either of the following:
|
Short in Bus 1 Lines | Refer to Check Bus 1 Lines for Short Circuit [11/2015 - 12/2018] |
Any of the following:
|
Short to +B in Bus 1 Line | Refer to Check Bus 1 Line for Short to +B [11/2015 - 12/2018] |
Any of the following:
|
Short to GND in Bus 1 Line | Refer to Check Bus 1 Line for Short to GND [11/2015 - 12/2018] |
| Resistance between CANH and CANL is normal in Bus 1 and the problem symptom pattern in How to Use "Communication Bus Check" Screen in Inspection matches the symptoms when there is an open in one wire of a branch line in Bus 1. | Open in One Side of Bus 1 Branch Line | Refer to Open in One Side of Bus 1 Branch Line [11/2015 - 07/2020] |
Either of the following:
|
Open in Bus 2 Main Bus Line | Refer to Open in Bus 2 Main Bus Line [11/2015 - 12/2018] |
Either of the following:
|
Short in Bus 2 Lines | Refer to Check Bus 2 Lines for Short Circuit [11/2015 - 12/2018] |
Any of the following:
|
Short to +B in Bus 2 Line | Refer to Check Bus 2 Line for Short to +B [11/2015 - 12/2018] |
Any of the following:
|
Short to GND in Bus 2 Line | Refer to Check Bus 2 Line for Short to GND [11/2015 - 12/2018] |
| Resistance between CANH and CANL is normal in Bus 2 and the problem symptom pattern in How to Use "Communication Bus Check" Screen in Inspection matches the symptoms when there is an open in one wire of a branch line in Bus 2. | Open in One Side of Bus 2 Branch Line | Refer to Open in One Side of Bus 2 Branch Line [11/2015 - 12/2018] |
Either of the following:
|
Open in Bus 3 Main Bus Line | Refer to Open in Bus 3 Main Bus Line [11/2015 - ] |
Either of the following:
|
Short in Bus 3 Lines | Refer to Check Bus 3 Lines for Short Circuit [11/2015 - 11/2017] |
Any of the following:
|
Short to +B in Bus 3 Line | Refer to Check Bus 3 Line for Short to +B [11/2015 - 11/2017] |
Any of the following:
|
Short to GND in Bus 3 Line | Refer to Check Bus 3 Line for Short to GND [11/2015 - 11/2017] |
| Resistance between CANH and CANL is normal in Bus 3 and the problem symptom pattern in How to Use "Communication Bus Check" Screen in Inspection matches the symptoms when there is an open in one wire of a branch line in Bus 3. | Open in One Side of Bus 3 Branch Line | Refer to Open in One Side of Bus 3 Branch Line [11/2015 - 11/2017] |
Either of the following:
|
Open in Bus 4 Main Bus Line | Refer to Open in Bus 4 Main Bus Line [11/2015 - 08/2019] |
Either of the following:
|
Short in Bus 4 Lines | Refer to Check Bus 4 Lines for Short Circuit [11/2015 - 08/2019] |
Any of the following:
|
Short to +B in Bus 4 Line | Refer to Check Bus 4 Line for Short to +B [11/2015 - 12/2018] |
Any of the following:
|
Short to GND in Bus 4 Line | Refer to Check Bus 4 Line for Short to GND [11/2015 - 12/2018] |
| Resistance between CANH and CANL is normal in Bus 4 and the problem symptom pattern in How to Use "Communication Bus Check" Screen in Inspection matches the symptoms when there is an open in one wire of a branch line in Bus 4. | Open in One Side of Bus 4 Branch Line | Refer to Open in One Side of Bus 4 Branch Line [11/2015 - ] |
Either of the following:
|
Open in Bus 5 Main Bus Line | Refer to Open in Bus 5 Main Bus Line [11/2015 - ] |
Either of the following:
|
Short in Bus 5 Lines | Refer to Check Bus 5 Lines for Short Circuit [11/2015 - 12/2018] |
Any of the following:
|
Short to +B in Bus 5 Line | Refer to Check Bus 5 Line for Short to +B [11/2015 - 12/2018] |
Any of the following:
|
Short to GND in Bus 5 Line | Refer to Check Bus 5 Line for Short to GND [11/2015 - 12/2018] |
| Resistance between CANH and CANL is normal in Bus 5 and the problem symptom pattern in How to Use "Communication Bus Check" Screen in Inspection matches the symptoms when there is an open in one wire of a branch line in Bus 5. | Open in One Side of Bus 5 Branch Line | Refer to Open in One Side of Bus 5 Branch Line [11/2015 - 12/2018] |
HINT:
The suspected communication stop area can be determined based on the ECUs or sensors that are displayed as not communicating on the "Communication Bus Check" screen or "Communication Bus Check (Detail)" screen and by referring to the following table.
COMMUNICATION STOP MODE TABLE (OPEN IN BUS LINE OR OTHER COMMUNICATION STOP)
| Symptom | Suspected Area | Link |
|---|---|---|
Either of the following is met:
|
Hybrid Vehicle Control ECU Communication Stop Mode | Refer to Hybrid Vehicle Control ECU Communication Stop Mode [11/2015 - 08/2019] |
Either of the following is met:
|
Skid Control ECU Communication Stop Mode | Refer to Skid Control ECU Communication Stop Mode [11/2015 - 12/2018] |
Either of the following is met:
|
Clearance Warning ECU Communication Stop Mode | Refer to Clearance Warning ECU Communication Stop Mode [11/2015 - 08/2016] , or refer to Clearance Warning ECU Communication Stop Mode [08/2016 - ] |
Either of the following is met:
|
Air Conditioner Amplifier Communication Stop Mode | Refer to Air Conditioning Amplifier Communication Stop Mode [11/2015 - ] |
Either of the following is met:
|
Power Steering ECU Communication Stop Mode | Refer to Power Steering ECU Communication Stop Mode [11/2015 - ] |
Either of the following is met:
|
Steering Angle Sensor Communication Stop Mode | Refer to Steering Angle Sensor Communication Stop Mode [11/2015 - ] |
Either of the following is met:
|
ECM Communication Stop Mode | Refer to ECM Communication Stop Mode [11/2015 - 12/2018] |
Either of the following is met:
|
Battery ECU Communication Stop Mode | Refer to Battery ECU Communication Stop Mode [11/2015 - 12/2018] |
Either of the following is met:
|
Main Body ECU Communication Stop Mode | Refer to Main Body ECU Communication Stop Mode [11/2015 - ] |
Either of the following is met:
|
Combination Meter ECU Communication Stop Mode | Refer to Combination Meter ECU Communication Stop Mode [11/2015 - ] |
Either of the following is met:
|
Certification ECU Communication Stop Mode | Refer to Certification ECU Communication Stop Mode [11/2015 - ] |
Either of the following is met:
|
Center Airbag Sensor Communication Stop Mode | Refer to Center Airbag Sensor Communication Stop Mode [11/2015 - 08/2019] |
Either of the following is met:
|
Radio Receiver Assembly Communication Stop Mode | Refer to Radio Receiver Assembly Communication Stop Mode [11/2015 - 08/2019] |
Either of the following is met:
|
Blind Spot Monitor Sensor Communication Stop Mode | Refer to Blind Spot Monitor Sensor Communication Stop Mode [11/2015 - 12/2018] |
Either of the following is met:
|
Navigation Receiver Assembly Communication Stop Mode | Refer to Navigation Receiver Assembly Communication Stop Mode [11/2015 - ] |
Either of the following is met:
|
Bus Buffer ECU Communication Stop Mode | Refer to Bus Buffer ECU Communication Stop Mode [11/2015 - 07/2020] |
Either of the following is met:
|
Driving Support ECU Communication Stop Mode | Refer to Driving Support ECU Communication Stop Mode [11/2015 - 07/2020] |
Either of the following is met:
|
Headup Display Communication Stop Mode | Refer to Headup Display Communication Stop Mode [11/2015 - 12/2018] |
Either of the following is met:
|
Millimeter Wave Radar Sensor Communication Stop Mode | Refer to Millimeter Wave Radar Sensor Communication Stop Mode [11/2015 - 07/2020] |
Either of the following is met:
|
Motor Generator Control ECU Communication Stop Mode | Refer to Motor Generator Control ECU Communication Stop Mode [11/2015 - 12/2018] |
Either of the following is met:
|
Restraints Occupant Classification System Module Communication Stop Mode | Refer to Restraints Occupant Classification System Module Communication Stop Mode [11/2015 - ] |
Either of the following is met:
|
Grille Shutter Communication Stop Mode | Refer to Grille Shutter Communication Stop Mode [11/2015 - 12/2018] |
Either of the following is met:
|
Front Camera Module Communication Stop Mode | Refer to Front Camera Module Communication Stop Mode [11/2015 - ] |
DTC COMBINATION TABLE (OPEN IN BUS 1, BUS 2, BUS 3, BUS 4 OR BUS 5.)
| Symptom | Suspected Area | Link |
|---|---|---|
| Although CAN communication is currently normal, an ECU connected to the CAN communication system has CAN communication DTCs. | The probable part for which communication is interrupted can be determined using DTC Combination Table and comparing the DTCs output from ECUs connected to the CAN communication system. | Refer to DTC COMBINATION TABLE [11/2015 - 11/2017] |