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 (Open, Short): Resistance | Below 1Ω | 1. LKA ECM, EPS ECU connector: Disconnected 2. Ignition switch: OFF |
LKA CAN High terminal | EPS CAN High terminal |
| LKA CAN Low terminal | EPS CAN Low terminal |
- Is the result within specifications?
YES
- Replace the EPS ECU with an usable one. If the EPS ECU works properly, replace the EPS ECU and go to "VERIFICATION OF VEHICLE REPAIR ".
- After replacement, if the EPS ECU does not work properly, replace the LKA ECU with an usable one. If the LKA ECU works properly, go to "VERIFICATION OF VEHICLE REPAIR ".
NO
- If the resistance is Ω (infinite), repair an open/short in the communication circuit. Then go to "VERIFICATION OF VEHICLE REPAIR ".