Subaru IMPREZA GD 2007 Series Manual page 1840

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Diagnostic Trouble Code (DTC) Detecting Criteria
W: DTC P0125 INSUFFICIENT COOLANT TEMPERATURE FOR CLOSED LOOP
FUEL CONTROL
1. OUTLINE OF DIAGNOSIS
Detect the malfunction of engine coolant temperature output property.
Judge as NG when the engine coolant temperature does not rise in driving conditions where it should.
2. COMPONENT DESCRIPTION
(1) Connector
(2) Thermistor element
3. ENABLE CONDITION
Secondary Parameters
Engine speed
Battery voltage
4. GENERAL DRIVING CYCLE
Perform the diagnosis only once after engine start.
(1)
(2)
(A) Resistance value (kΩ)
(B) Temperature °C (°F)
Enable Conditions
≥ 500 rpm
> 10.9 V
GD(H4DOTC)-49
GENERAL DESCRIPTION
(A)
(B)
EN-01690