Circuit Inspection
WARNING: This page is about a different car, the 2021 Kia Seltos. However, it is still accessible from the selected car via links, so may be relevant.
| Inspection Condition | (+) Probe | (-) Probe | Specification | ||
|---|---|---|---|---|---|
| Connector | Terminal | Connector | Terminal | ||
|
MFC connector | 10 (C-CAN high) | Chassis ground | - | Fig.1 |
| MFC connector | 4 (C-CAN low) | Chassis ground | - | ||
|
MFC connector | 10 (C-CAN high) | HECU connector (with EPB) | 19 (C-CAN high) | Approx. below 1Ω |
| MFC connector | 4 (C-CAN low) | HECU connector (with EPB) | 20 (C-CAN low) | Approx. below 1Ω | |
| MFC connector | 10 (C-CAN high) | HECU connector (W/O EPB) | 4 (C-CAN high) | Approx. below 1Ω | |
| MFC connector | 4 (C-CAN low) | HECU connector (W/O EPB) | 5 (C-CAN low) | Approx. below 1Ω | |
|
HECU connector (with EPB) | 1, 30 (Memory power) | Chassis ground | - | B+ |
| HECU connector (with EPB) | 37 (ON/START Input) | Chassis ground | - | B+ | |
| HECU connector (W/O EPB) | 1, 25 (Memory power) | Chassis ground | - | B+ | |
| HECU connector (W/O EPB) | 32 (ON/START Input) | Chassis ground | - | B+ | |
|
HECU connector (with EPB) | 14, 46 (ground) | Chassis ground | - | Approx. below 1Ω |
| HECU connector (W/O EPB) | 13, 38 (ground) | Chassis ground | - | Approx. below 1Ω | |
Good
- Carefully re-do this troubleshooting guide steps.
- If no problems were found with the circuits or connectors and DTC still occurs, replace the HECU and go to "VERIFICATION OF REPAIR " procedure.
No Good
- Repair open or short in circuit and then go to "VERIFICATION OF REPAIR " procedure.