Circuit Inspection
HECU W/O EPB
| Inspection Condition | (+) Probe | (-) Probe | Specification | ||
|---|---|---|---|---|---|
| Connector | Terminal | Connector | Terminal | ||
|
BBVPS connector | 3 (power) | Chassis ground | - | 5V |
| BBVPS connector | 1 (signal) | Chassis ground | - | 0V | |
|
BBVPS connector | 3 (power) | HECU connector | 28 (power) | Approx below 1Ω |
| BBVPS connector | 1 (signal) | HECU connector | 27 (signal) | Approx below 1Ω | |
| BBVPS connector | 2 (ground) | Chassis ground | - | Approx below 1Ω | |
HECU With EPB
| Inspection Condition | (+) Probe | (-) Probe | Specification | ||
|---|---|---|---|---|---|
| Connector | Terminal | Connector | Terminal | ||
|
BBVPS connector | 3 (power) | Chassis ground | - | 5V |
| BBVPS connector | 1 (signal) | Chassis ground | - | 0V | |
|
BBVPS connector | 3 (power) | HECU connector | 11 (power) | Approx below 1Ω |
| BBVPS connector | 1 (signal) | HECU connector | 10 (signal) | Approx below 1Ω | |
| BBVPS connector | 2 (ground) | Chassis ground | - | Approx below 1Ω | |
Good
- Carefully re-do the troubleshooting guide steps.
- If no problems were found with the circuits or connectors, replace the BBVPS and go to "Verification Of Repair " procedure.
No Good
- Repair open or short in circuit and then go to "Verification Of Repair " procedure.