Diagnostic Method
WARNING: This page is about a different car, the 2022 Subaru WRX. However, it is still accessible from the selected car via links, so may be relevant.
Judge as NG when the following conditions are established.
JUDGMENT VALUE SPECIFICATION (DIAGNOSIS 1-1 AND 1-2)
| Malfunction Criteria | Threshold Value |
|---|---|
| Instruction value | Different from expected value |
JUDGMENT VALUE SPECIFICATION (DIAGNOSIS 2)
| Malfunction Criteria | Threshold Value |
|---|---|
| Process flow result | The result and expected value do not match. |
JUDGMENT VALUE SPECIFICATION (DIAGNOSIS 3)
| Malfunction Criteria | Threshold Value |
|---|---|
| High integrated IC motor continuity cut demand | Yes |
JUDGMENT VALUE SPECIFICATION (DIAGNOSIS 4)
| Malfunction Criteria | Threshold Value |
|---|---|
| Driving IC bus signal | No change |
JUDGMENT VALUE SPECIFICATION (DIAGNOSIS 5)
| Malfunction Criteria | Threshold Value |
|---|---|
| Writing value to CAN register | Not equal to the reading value |
JUDGMENT VALUE SPECIFICATION (DIAGNOSIS 6)
| Malfunction Criteria | Threshold Value |
|---|---|
| Absolute throttle position - Absolute throttle position memory when monitoring | 1.6% or more |
JUDGMENT VALUE SPECIFICATION (DIAGNOSIS 7)
| Malfunction Criteria | Threshold Value |
|---|---|
| Data written in CPU | Not equal to expected value |
JUDGMENT VALUE SPECIFICATION (DIAGNOSIS 8)
| Malfunction Criteria | Threshold Value |
|---|---|
| Data written in register | Not equal to the reading value |
JUDGMENT VALUE SPECIFICATION (DIAGNOSIS 9)
| Malfunction Criteria | Threshold Value |
|---|---|
| Diagnostic Value (DV) | 1900 kW or more |
|
NOTE:
Calculate DV as follows.
|
MAP SPECIFICATION
| Vehicle speed (km/h (MPH)) | 0 (0) |
10 (6.25) |
20 (12.5) |
30 (18.75) |
40 (25) |
50 (31.25) |
60 (37.5) |
70.4 (43.75) |
80.5 (50) |
91 (56.25) |
101 (62.5) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Engine output (kW) | 26 | 26 | 26 | 26 | 30 | 40 | 60 | 85 | 120 | 160 | 200 |
Time needed for diagnosis:
Diagnosis 1-1: 2 times
Diagnosis 1-2: 8 times
Diagnosis 2: 504 ms
Diagnosis 3: 48 ms
Diagnosis 4: 2500 ms
Diagnosis 5: Less than 1 s
Diagnosis 6: 24 ms
Diagnosis 7: 2 times
Diagnosis 8: 2 times
Diagnosis 9: Less than 1 s
Malfunction indicator light illumination: Illuminates as soon as a malfunction occurs.