Diagnostic Method
Judge as NG when Diagnosis 1 or Diagnosis 2 becomes NG.
If the duration of time while the following conditions are met is longer than the time indicated, judge as NG.
Diagnosis 1
Judgment Value
JUDGMENT VALUE SPECIFICATION
| Malfunction Criteria | Threshold Value |
|---|---|
| Engine oil temperature at engine start - Engine coolant temperature at engine start | > 10°C (18°F) |
| Engine oil temperature at engine start - Intake air temperature 30 sec. after engine start | > Value of Map 1 |
Map 1
| Ambient air temperature °C (°F) | -30 (-22) | 30 (86) | 45 (113) | 60 (140) |
| Engine oil temperature at engine start - Intake air temperature 30 sec. after engine start °C (°F) | 10 (18) | 10 (18) | 22 (39.6) | 22 (39.6) |
Time Needed for Diagnosis: Less than 1 second
Diagnosis 2
Judgment Value
JUDGMENT VALUE SPECIFICATION
| Malfunction Criteria | Threshold Value |
|---|---|
| Engine oil temperature | < 50°C (122°F) |
| Elapsed time after starting the engine | ≥ Value from Map 2 |
Map 2
TEMPERATURE SPECIFICATION - MAP 2
| Intake air temperature at engine start °C (°F) | -30 (-22) | -20 (-4) | -10 (14) | 0 (32) | 10 (50) | 20 (68) | 30 (86) | 40 (104) |
| Elapsed time after starting the engine s | 2, 800 | 2, 100 | 1, 400 | 900 | 650 | 500 | 400 | 400 |
Time Needed for Diagnosis: Value of Map 2
Malfunction Indicator Light Illumination: Illuminates when malfunction occurs in 2 continuous driving cycles.