Tech Tips
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.
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" | Open in CAN Main Bus Line | |
| The result of "How to Proceed with Troubleshooting" is "Check CAN Bus Lines for Short Circuit" | Check CAN Bus Lines for Short Circuit | |
| The result of "How to Proceed with Troubleshooting" is "Check CAN Bus Line for Short to +B" | Check CAN Bus Line for Short to +B | |
| The result of "How to Proceed with Troubleshooting" is "Check CAN Bus Line for Short to GND" | Check CAN Bus Line for Short to GND | |
| 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 |
|---|---|---|
| "Skid Control (ABS/VSC/TRAC)" is not displayed on the intelligent tester | Skid Control ECU Communication Stop Mode | |
| "Spiral cable (Steering Angle Sensor)" is not displayed on the intelligent tester | Steering Angle Sensor Communication Stop Mode | |
| "Yaw Rate Sensor" is not displayed on the intelligent tester | Yaw Rate Sensor Communication Stop Mode | |
| "ECM (Engine)" is not displayed on the intelligent tester | ECM Communication Stop Mode |