Subaru LEGACY 2006 Manual page 523

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Diagnostic Trouble Code (DTC) Detecting Criteria
GENERAL DESCRIPTION
AN:DTC P0183 FUEL TEMPERATURE SENSOR "A" CIRCUIT HIGH INPUT
1. OUTLINE OF DIAGNOSIS
Detect the open or short circuit of fuel temperature sensor.
Judge as NG if it is out of specification.
2. COMPONENT DESCRIPTION
(A) Resistance value (Ω)
3. ENABLE CONDITION
Secondary Parameters
None
4. GENERAL DRIVING CYCLE
Always perform the diagnosis continuously.
5. DIAGNOSTIC METHOD
Abnormality Judgment
Judge as NG when the continuous time of completing the malfunction criteria below becomes 2.5 seconds
or more.
Judgment Value
Malfunction Criteria
Output voltage
Battery voltage
Time Needed for Diagnosis: 2.5 seconds
Malfunction Indicator Light Illumination: Illuminates as soon as a malfunction occurs.
Normality Judgment
Judge as OK and clear the NG when the malfunction criteria below are met.
Judgment Value
Malfunction Criteria
Output voltage
Battery voltage
(A)
(B) Fuel temperature °C (°F)
Enable Conditions
Threshold Value
≥ 4.716 V
≥ 10.9 V
Threshold Value
< 4.716 V
≥ 10.9 V
GD(H4SO)-86
(B)
EN-01700