General Information: DTC Detecting Condition
DTC DETECTING CONDITION AND POSSIBLE CAUSES
| Item |
Detecting Condition |
Possible Cause |
| DTC Strategy |
- Switching time check at entry in fuel cut-off
|
- Leak in intake or exhaust system
- Faulty fuel system.
- Front and rear HO2S connections reversed.
- Contact resistance in connectors
- HO2S contamination
|
| Enable Conditions |
- Coolant temp. > 76°C (168.8°F)
- Operative readiness
- Vehicle speed > 5 km/h (3.1 mph)
- Catalyst temperature model > 400°C (752°F)
- No relevant failure
- Battery voltage > 11V
|
|
| Threshold Value |
- Average ratio (between measured and maximum allowed switching time at entry in fuel cut-off) > 1
|
| Diagnostic Time |
- 3 fuel cut-off phases, continuous
|