Typical Enabling Conditions
Insufficient engine coolant temperature for closed loop (case 1)
TYPICAL ENABLING CONDITIONS
| Monitor runs whenever following DTCs not present | P0100 - P0103 (MAF meter) P0110 - P0113 (IAT sensor) P0115 - P0118 (ECT sensor) P0128 (Thermostat) |
| ECT at engine start | 10°C (50°F) or more |
Insufficient engine coolant temperature for closed loop (case 2)
TYPICAL ENABLING CONDITIONS
| Monitor runs whenever following DTCs not present | P0100 - P0103 (MAF meter) P0110 - P0113 (IAT sensor) P0115 - P0118 (ECT sensor) P0128 (Thermostat) |
| ECT at engine start | -6.6 to 10°C (20 to 50°F) |
Insufficient engine coolant temperature for closed loop (case 3)
TYPICAL ENABLING CONDITIONS
| Monitor runs whenever following DTCs not present | P0100 - P0103 (MAF meter) P0110 - P0113 (IAT sensor) P0115 - P0118 (ECT sensor) P0128 (Thermostat) |
| ECT at engine start | Less than -6.6°C (20°F) |