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TYPICAL ENABLING CONDITIONS ECT sensor cold start monitor: Monitor runs whenever following DTCs not stored None Battery voltage 10.5 V or more Time after engine start 1 second or more ECT at engine start Less than 60°C (140°F) Soak time 0 seconds or more Accumulated MAF 8727 g or more Fuel cut OFF Difference between ECT at engine start and IAT Less than 40°C (72°F) Intake air temperature sensor circuit failure (P0112, P0113) Not detected Engine coolant temperature circuit failure (P0115, P0117, P0118, P0125) Not detected Thermostat failure (P0128) Not detected ECT sensor soak monitor: Monitor runs whenever following DTCs not stored None Battery voltage 10.5 V or more Engine Running Soak time 5 hours or more Either (a) or (b) condition met - (a) ECT 60°C (140°F) or more (b) Accumulated MAF 17454 g or more Intake air temperature sensor circuit failure (P0112, P0113) Not detected Engine coolant temperature circuit failure (P0115, P0117, P0118, P0125) Not detected Thermostat failure (P0128) Not detected Soak timer circuit failure (P2610) Not detected TYPICAL MALFUNCTION THRESHOLDS ECT sensor cold start monitor: ECT sensor value change Less than 5°C (9°F) ECT sensor soak monitor: Difference between current ECT sensor value and previous ECT sensor value when engine stopped Less than 5°C (9°F) [varies with ECT of last trip engine stop] COMPONENT OPERATING RANGE ECT ECT sensor value changes in accordance with actual ECT CONFIRMATION DRIVING PATTERN 3UR-FBE ENGINE CONTROL SYSTEM: SFI SYSTEM: P0116; Engi... |