CAN COMMUNICATION SYSTEM PROBLEM SYMPTOMS TABLE
Tech Tips
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Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspected areas in the order they are listed. Replace parts as necessary.
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Inspect the fuses and relays related to this system before inspecting the suspected areas below.
| Symptom | Suspected Area | See page |
|---|---|---|
| The result of How to Proceed with Troubleshooting is Open in CAN Main Bus Line (for RHD). | Open in CAN Main Bus Line (for RHD) | |
| The result of How to Proceed with Troubleshooting is Open in CAN Main Bus Line (for LHD). | Open in CAN Main Bus Line (for LHD) | |
| The result of How to Proceed with Troubleshooting is Short in CAN Bus Lines (for RHD). | Short in CAN Bus Lines (for RHD) | |
| The result of How to Proceed with Troubleshooting is Short in CAN Bus Lines (for LHD). | Short in CAN Bus Lines (for LHD) | |
| The result of How to Proceed with Troubleshooting is Short to +B in CAN Bus Line (for RHD). | Short to +B in CAN Bus Line (for RHD) | |
| The result of How to Proceed with Troubleshooting is Short to +B in CAN Bus Line (for LHD). | Short to +B in CAN Bus Line (for LHD) | |
| The result of How to Proceed with Troubleshooting is Short to GND in CAN Bus Line (for RHD). | Short to GND in CAN Bus Line (for RHD) | |
| The result of How to Proceed with Troubleshooting is Short to GND in CAN Bus Line (for LHD). | Short to GND in CAN Bus Line (for LHD) | |
| The result of How to Proceed with Troubleshooting is Open in One Side of CAN Branch Line. | Open in One Side of CAN Branch Line |
| Symptom | Suspected Area | See page |
|---|---|---|
| "ABS/VSC/TRC" is not displayed on the intelligent tester. | Skid Control ECU Communication Stop Mode | |
| "Air Conditioner" is not displayed on the intelligent tester. | Air Conditioning Amplifier Communication Stop Mode | |
| "EPS" is not displayed on the intelligent tester. | Power Steering ECU Communication Stop Mode | |
| "Steering Angle Sensor" is not displayed on the intelligent tester. | Steering Angle Sensor Communication Stop Mode | |
| "Yaw Rate/Deceleration Sensor" is not displayed on the intelligent tester. | Yaw Rate Sensor Communication Stop Mode | |
| "Engine" and/or "ECT" is not displayed on the intelligent tester. | ECM Communication Stop Mode | |
| "Main Body" is not displayed on the intelligent tester. | Main Body ECU Communication Stop Mode | |
| "Combination Meter" is not displayed on the intelligent tester. | Combination Meter ECU Communication Stop Mode | |
| "SRS Airbag" is not displayed on the intelligent tester. | Center Airbag Sensor Communication Stop Mode | |
| "AVN1" is not displayed on the intelligent tester. | Navigation ECU Communication Stop Mode (for LHD) | |
| "AFS/HL Auto Leveling" is not displayed on the intelligent tester. | AFS ECU Communication Stop Mode |