C-CAN Communication Circuit Inspection
WARNING: This page is about a different car, the 2021 Hyundai Kona. However, it is still accessible from the selected car via links, so may be relevant.
| Item | Normal Value | Prerequisite condition | Probe (+) | Probe (-) |
|---|---|---|---|---|
| CAN communication circuit (battery short): voltage | Below approx. 5V | 1. Ignition switch: ON 2. All control module connector: Connected |
LKA CAN High terminal | Chassis ground |
| LKA CAN Low terminal | Chassis ground | |||
| CAN communication circuit (ground short): resistance | Below 1Ω | 1. Ignition switch: OFF 2. All control module connector: Connected |
LKA CAN High terminal | Chassis ground |
| LKA CAN Low terminal | Chassis ground |
- Is the result within specifications?
YES
- Inspect the CAN High, Low Lines among the C-CAN Modules for an open.
- Check for connection state between the Cluster, AEB Module, and connectors of all relevant modules: terminal slip, pin misplacement, looseness, or poor connection. Repair relevant component(s) as necessary and go to "VERIFICATION OF VEHICLE REPAIR ".
NO
- Repair a short between the power circuit and Communication Circuit. Then go to "VERIFICATION OF VEHICLE REPAIR ".
- Repair a short between chassis ground and Communication Circuit. Then go to "VERIFICATION OF VEHICLE REPAIR ".