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 |
|---|---|---|
| Result of "How to proceed with Troubleshooting" is "Open in CAN Main Wire" | Open in CAN Main Wire | |
| Result of "How to Proceed with Troubleshooting" is "Short in CAN Bus Lines" | Short in CAN Bus Lines | |
| Result of "How to Proceed with Troubleshooting" is "Short to B+ in CAN Bus Line" | Short to B+ in CAN Bus Line | |
| Result of "How to Proceed with Troubleshooting" is "Short to GND in CAN Bus Line" | Short to GND in CAN Bus Line | |
| 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 |
|---|---|---|
| "Hybrid Vehicle Control" is not displayed on intelligent tester | Hybrid Vehicle Control ECU Communication Stop Mode | |
| "Skid Control (ABS/VSC/TRAC)" is not displayed on intelligent tester | Skid Control ECU Communication Stop Mode | |
| "Air Conditioning Amplifier" is not displayed on intelligent tester | Air Conditioning Amplifier Communication Stop Mode | |
| "ECM (Engine)" 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 | |
| "Airbag" is not displayed on the intelligent tester | Center Airbag Sensor Communication Stop Mode | |
| "Headlight swivel (AFS)" is not displayed on the intelligent tester | AFS ECU Communication Stop Mode | |
| "Display and Navigation (AVN1)" is not displayed on the intelligent tester | Multi-media Module Receiver Assembly Communication Stop Mode |