H-CAN Inspection
WARNING: This page is about a different car, the 2024 Kia Sorento. However, it is still accessible from the selected car via links, so may be relevant.
| H-CAN Inspection | |||||
|---|---|---|---|---|---|
| Inspection Condition | (+) Probe | (-) Probe | Specification | ||
| Connector(-) Probe | Terminal | Connector | Terminal | ||
| 1. Ignition "OFF". 2. Disconnect the cable from auxiliary battery (-) connector in the engine room. 3. Disconnect the electrical connector(s) from the concerned component. |
ECM (component side) | 80 (H-CAN high) | ECM (component side) | 81 (H-CAN low) | Approx. 120Ω |
| BMS (component side) | 10 (H-CAN high) | BMS (component side) | 9 (H-CAN low) | Approx. 120Ω | |
| ECM connector | 80 (H-CAN high) | BMS connector | 10 (H-CAN high) | Approx. below 1Ω | |
| ECM connector | 81 (H-CAN low) | BMS connector | 9 (H-CAN low) | Approx. below 1Ω | |
| SCU connector | 3 (H-CAN high) | SCU connector | 4 (H-CAN low) | Approx. 60 Ω |
|
| 1. Ignition "ON". | SCU connector | 3 (H-CAN high) | Chassis ground | - | Fig.1 |
| SCU connector | 4 (H-CAN low) | Chassis ground | - | ||
Good
• Fault might be intermittent and caused either by poor contact in connectors or wiring harness, or it has been repaired and control module memory is not cleared yet. Thoroughly check terminal of auxiliary battery, all connectors (and connections) for looseness, bending, corrosion, contamination, deterioration, or damage.
• Repair or replace as necessary and then go to ("Verification Of Repair ") procedure.
No Good
• Carefully re-do this troubleshooting guide steps.
• Repair or replace as necessary and then, go to ("Verification Of Repair ")procedure.
□ If a module is replaced, perform the relevant "Vehicle S/W Management" procedure.