Except for U5
MAP 1 FAULT CRITERIA THRESHOLD VALUE FOR MISFIRE (EXCEPT FOR U5)
| Intake air (g(oz)/rev) | Ignition count | ||||||||
| 0.16 (0.006) | 0.28 (0.010) | 0.4 (0.014) | 0.52 (0.018) | 0.64 (0.023) | 0.76 (0.027) | 0.92 (0.032) | 1.1 (0.039) | ||
| Engine speed (rpm) | 700 | 100 | 100 | 100 | 100 | 90 | 80 | 64 | 48 |
| 1000 | 100 | 100 | 100 | 100 | 90 | 80 | 63 | 44 | |
| 1500 | 100 | 100 | 90 | 80 | 73 | 67 | 54 | 40 | |
| 2000 | 80 | 80 | 80 | 80 | 68 | 57 | 51 | 44 | |
| 2500 | 80 | 80 | 73 | 67 | 62 | 57 | 51 | 44 | |
| 3000 | 67 | 67 | 62 | 57 | 51 | 44 | 44 | 44 | |
| 3500 | 67 | 67 | 56 | 44 | 40 | 36 | 34 | 31 | |
| 4000 | 57 | 57 | 44 | 31 | 24 | 20 | 20 | 20 | |
| 4500 | 44 | 44 | 33 | 31 | 20 | 20 | 20 | 20 | |
| 5000 | 44 | 44 | 38 | 31 | 20 | 20 | 20 | 20 | |
| 5500 | 36 | 36 | 31 | 27 | 20 | 20 | 20 | 20 | |
| 6000 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | |
| 6400 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | |
Time Needed for Diagnosis: 200 engine revs.
Malfunction Indicator Light Illumination: Illuminates as soon as a malfunction occurs.