Circuit Inspection
| Inspection Condition | (+) Probe | (-) Probe | Specification | ||
|---|---|---|---|---|---|
| Connector | Terminal | Connector | Terminal | ||
|
EPB ECU connector | 17 (ON/START Input) | Chassis ground | - | B+ |
| EPB ECU connector | 39, 40 (Memory power) | Chassis ground | - | B+ | |
|
EPB ECU connector | 33, 34 (ground) | Chassis ground | - | Approx. below 1Ω |
|
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) | EPB ECU connector | 23 (C-CAN low) | Approx. 60Ω |
Good
- Carefully re-do this troubleshooting guide steps.
- If no problems were found with the circuits or connectors and DTC still occurs, replace the HPCU 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.