Circuit Inspection
| Inspection Item | Inspection Condition | (+) Probe | (-) Probe | Specification | ||
|---|---|---|---|---|---|---|
| Connector | Terminal | Connector | Terminal | |||
| Power inspection (SBW actuator ↔ Chassis ground) |
|
SBW actuator connector | 4 (power) | Chassis ground | - | B+ |
| Voltage inspection (SBW actuator ↔ Chassis ground) |
|
SBW actuator connector | 3 (encoder sensor A) | Chassis ground | - | Approx. 5V |
| SBW actuator connector | 1 (encoder sensor B) | Chassis ground | - | Approx. 5V | ||
| SBW actuator connector | 5 (U phase) | Chassis ground | - | Approx. 5V | ||
| SBW actuator connector | 10 (V phase) | Chassis ground | - | Approx. 5V | ||
| SBW actuator connector | 9 (W phase) | Chassis ground | - | Approx. 0V | ||
| Power inspection (SBW actuator ↔ Chassis ground) |
|
SBW actuator connector | 4 (power) | Chassis ground | - | B+ |
| Voltage inspection (SBW actuator ↔ Chassis ground) |
|
SBW actuator connector | 3 (encoder sensor A) | Chassis ground | - | Approx. 3.97V |
| SBW actuator connector | 1 (encoder sensor B) | Chassis ground | - | Approx. 3.8V | ||
| SBW actuator connector | 5 (U phase) | Chassis ground | - | Approx. 1.9V | ||
| SBW actuator connector | 10 (V phase) | Chassis ground | - | Approx. 1.9V | ||
| SBW actuator connector | 9 (W phase) | Chassis ground | - | Approx. 1.9V | ||
| Oscilloscope (SBW actuator) |
|
SBW actuator connector | 9 (W phase) | SBW actuator connector | 10 (V phase) | Fig.1 to 4 |
| SBW actuator connector | 5 (U phase) | SBW actuator connector | 4 (power) | |||
Good
- Go to "COMPONENT INSPECTION" procedure.
No Good
- Repair or replace as necessary and then, Go to "VERIFICATION OF REPAIR " procedure.
- If no problems were found with the circuits or connectors, replace the SBW actuator and Go to "VERIFICATION OF REPAIR " procedure.