Outline of troubleshooting
WARNING: This page is about a different car, the 2011 Suzuki SX4. However, it is still accessible from the selected car via links, so may be relevant.
When there is a trouble with CAN, perform TROUBLESHOOTING FOR COMMUNICATION ERROR WITH SCAN TOOL USING CAN and/or TROUBLESHOOTING FOR CAN-DTC . Not using this procedure or performing troubleshooting in any other way may skip some check points resulting in misdiagnosis or take a longer time than necessary.
- Checking connector related to CAN
- Checking CAN line
- Checking each control module/sensor using "DTC check" or "Bus Check"
- Checking power and ground connection of each control module/sensor