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. TCU ECM, CGW, LKA: Disconnected 2. Ignition switch: OFF |
LKA CAN High terminal | IGPM CAN High terminal |
| LKA CAN Low terminal | IGPM CAN Low terminal | |||
| IGPM CAN High terminal | TCU CAN High terminal | |||
| IGPM CAN Low terminal | TCU CAN Low terminal |
- Is the result within specifications?
YES
- Replace the EMS ECU with an usable one. If the EMS ECU works properly, replace the EMS ECU (ENGINE CONTROL MODULE (ECM) - 1.6L /ENGINE CONTROL MODULE (ECM) - 2.0L ) and go to "VERIFICATION OF VEHICLE REPAIR ".
- If the EMS ECU does not work, replace the IGPM and then 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 ".