Diagnostic Method
Judge as NG when the following conditions are established.
JUDGMENT VALUE SPECIFICATION (DIAGNOSIS 1)
| Malfunction Criteria | Threshold Value |
|---|---|
| Throttle minimum stop position | 2.22 V or more |
JUDGMENT VALUE SPECIFICATION (DIAGNOSIS 2)
| Malfunction Criteria | Threshold Value |
|---|---|
| Accelerator pedal position learning value in backup RAM area 1 | Not equal to accelerator pedal position learning value in backup RAM area 2 |
JUDGMENT VALUE SPECIFICATION (DIAGNOSIS 3)
| Malfunction Criteria | Threshold Value |
|---|---|
| Total of backup RAM (ECM shutdown) | Not equal to total of backup RAM (ECM startup) |
JUDGMENT VALUE SPECIFICATION (DIAGNOSIS 4)
| Malfunction Criteria | Threshold Value |
|---|---|
| Communication status between CPU and power supply IC | Malfunction |
JUDGMENT VALUE SPECIFICATION (DIAGNOSIS 5)
| Malfunction Criteria | Threshold Value |
|---|---|
| Throttle control calculation data by CPU | Not equal to throttle control calculation data by power supply IC |
JUDGMENT VALUE SPECIFICATION (DIAGNOSIS 6)
| Malfunction Criteria | Threshold Value |
|---|---|
| Calculation data by CPU | Not equal to calculation data by Lock-step |
JUDGMENT VALUE SPECIFICATION (DIAGNOSIS 7)
| Malfunction Criteria | Threshold Value |
|---|---|
| Actual engine output - Target engine output | More than 20 kw (27 PS) |
Time needed for diagnosis:
Diagnosis 1: Less than 1 s
Diagnosis 2: Less than 1 s
Diagnosis 3: Less than 1 s
Diagnosis 4: Less than 1 s
Diagnosis 5: Less than 1 s
Diagnosis 6: Less than 1 s
Diagnosis 7: 500 ms
Malfunction indicator light illumination: Illuminates as soon as a malfunction occurs.