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) | IGPM connector | 4 (C-CAN high) | Approx. below 1Ω |
| EPB ECU connector | 23 (C-CAN low) | IGPM connector | 3 (C-CAN low) | Approx. below 1Ω | |
|
ECM connector | 55 (P-CAN high) | Chassis ground | - | Fig.2 |
| ECM connector | 77 (P-CAN low) | Chassis ground | - | ||
|
ECM connector | 55 (P-CAN high) | IGPM connector | 2 (P-CAN high) | Approx. below 1Ω |
| ECM connector | 77 (P-CAN low) | IGPM connector | 1 (P-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 ECM 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.