Circuit Inspection
| Inspection Condition | (+) Probe | (-) Probe | Specification | ||
|---|---|---|---|---|---|
| Connector | Terminal | Connector | Terminal | ||
|
EPB ECU connector | 24 (C-CAN high) | Chassis ground | - | Fig.1 |
| EPB ECU connector | 23 (C-CAN low) | Chassis ground | - | ||
|
EPB ECU connector | 24 (C-CAN high) | IBAU connector | 38 (C-CAN high) | Approx. below 1Ω |
| EPB ECU connector | 23 (C-CAN low) | IBAU connector | 39 (C-CAN low) | 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 IBAU and go to "VERIFICATION OF REPAIR " procedure.
* In case of replacing control unit, perform necessary "Vehicle S/W Management".
No Good
- Repair open or short in circuit and then go to "VERIFICATION OF REPAIR " procedure.