Enable Condition
Rich → lean diagnosis response
ENABLE CONDITION
| Secondary Parameters | Enable Conditions |
|---|---|
| Battery voltage | > 10.9 V |
| A/F sub feedback control condition | Completed |
| Deceleration fuel cut time is 6 seconds or more. | Experienced |
| After fuel cut | ≥ 2 seconds |
| Rear oxygen heater current calculation time | ≥ 60 seconds |
| Rear oxygen heater current continuous time | ≥ 30 seconds |
| Catalyst warm up counter (except for U5 model) | ≥ 9000 |
| Estimated catalyst temperature (U5 model) | ≥ 400°C (752°F) |
| Deceleration fuel cut count (U5 model) | ≥ 1 time |
Lean → rich response diagnosis
ENABLE CONDITION
| Secondary Parameters | Enable Conditions |
|---|---|
| Battery voltage | > 10.9 V |
| A/F main feedback control condition | Completed |
| Deceleration fuel cut ≥ 6 seconds | Experienced |
| After fuel cut | ≥ 2 seconds |
| Current calculation time of the rear oxygen sensor heater (except for U5 model) | 0 seconds |
| Current calculation time of the rear oxygen sensor heater (U5 model) | 60 seconds |
| Current continuation time of the rear oxygen sensor heater (except for U5 model) | 0 seconds |
| Current continuation time of the rear oxygen sensor heater (U5 model) | 30 seconds |