Enable Condition
- Rich --> Lean response diagnosis
ENABLE CONDITION
| Secondary Parameters | Enable Conditions |
|---|---|
| Battery voltage | > 10.9 V |
| A/F sub feedback control condition | Completed |
| 5 seconds or more fuel shut-off in decel. | Experienced |
| After fuel cut | >/= 2 seconds |
| Accumulated time with rear oxygen sensor heater ON | >/= 60 seconds |
| Continuous time with rear oxygen sensor heater ON | >/= 30 seconds |
| Catalyst couture warm up | >/= 8000 seconds |
| Number of the fuel shut-off in decel. | >/= 1 time |
- Lean --> Rich response diagnosis
ENABLE CONDITION
| Secondary Parameters | Enable Conditions |
|---|---|
| Battery voltage | > 10.9 V |
| A/F main feedback control condition | Completed |
| Fuel cut on deceleration > 5 seconds | Experienced |
| After fuel cut | >/= 2 seconds |
| Accumulative time of rear oxygen sensor heater energization | >/= 60 seconds |
| Continuous time of rear oxygen sensor heater energization | >/= 30 seconds |
| Number of the fuel shut-off in decel. | >/= 1 time |