Subaru IMPREZA GD 2007 Series Manual page 2256

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Diagnostic Trouble Code (DTC) Detecting Criteria
CK:DTC P0692 FAN 1 CONTROL CIRCUIT HIGH
1. OUTLINE OF DIAGNOSIS
Detect the open/short circuit of radiator fan circuit.
Judge as NG when the ECM output level differs from the actual terminal level.
2. ENABLE CONDITION
Secondary Parameters
None
3. GENERAL DRIVING CYCLE
Always perform the diagnosis continuously.
4. DIAGNOSTIC METHOD
Abnormality Judgment
Judge as NG when the continuous time of meeting the malfunction criteria below becomes 2.5 seconds or
more.
Judgment Value
Malfunction Criteria
After engine starting
Engine speed
Ignition switch
Battery voltage
Terminal voltage level when ECM out-
puts ON signal
Time Needed for Diagnosis: 2.5 seconds
Malfunction Indicator Light Illumination: Illuminates when malfunction occurs in two continuous driving
cycles.
Normality Judgment
Judge as OK and clear the NG when the malfunction criteria below are met.
Judgment Value
Malfunction Criteria
After engine starting
Engine speed
Ignition switch
Battery voltage
Terminal voltage level when ECM out-
puts ON signal
5. DTC CLEAR CONDITION
• When the OK idling cycle is completed 40 times in a row
• When "Clear Memory" is performed
6. MALFUNCTION INDICATOR LIGHT CLEAR CONDITIONS
• When the OK driving cycle is completed three times in a row
• When "Clear Memory" is performed
7. FAIL SAFE
None
8. ECM OPERATION AT DTC SETTING
Memorize the freeze frame data. (For test mode $02)
Enable Conditions
Threshold Value
1 second or more
≥ 500 rpm
ON
≥ 10.9 V
High level
Threshold Value
1 second or more
≥ 500 rpm
ON
≥ 10.9 V
Low level
GD(STI)-189
GENERAL DESCRIPTION