Circuit Inspection
| Inspection Item | Inspection Condition | (+) Probe | (-) Probe | Specification | ||
|---|---|---|---|---|---|---|
| Connector | Terminal | Connector | Terminal | |||
| Oscilloscope (BLS) |
|
BLS connector | 1 (ON/START Input) | BLS connector | 2 (stop signal) | Fig.1 to 2 |
| BLS connector | 4 (Memory power) | BLS connector | 5 (stop lamp signal) | Fig.1 to 2 | ||
| Power inspection (BLS ↔ Chassis ground) |
|
BLS connector | 4 (Memory power) | Chassis ground | - | B+ |
| BLS connector | 1 (ON/START Input) | Chassis ground | - | B+ | ||
| Open in circuit inspection (BLS ↔ HECU) |
|
BLS connector | 5 (stop lamp signal) | HECU connector | 35 (stop lamp signal) | Approx. below 1Ω |
| Open in circuit inspection (BLS ↔ ECM) |
|
BLS connector | 5 (stop lamp signal) | ECM connector | 83 (stop lamp signal) | Approx. below 1Ω |
| BLS connector | 2 (stop signal) | ECM connector | 49 (stop signal) | Approx. below 1Ω | ||
Good
- Go to "COMPONENT INSPECTION " procedure.
No Good
- Repair open or short in circuit and then Go to "VERIFICATION OF REPAIR " procedure.