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Home >> Subaru >> 2007 >> Outback XT Limited, Standard >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Diagnostic Trouble Code (DTC) Detecting Criteria (H4DOTC) >> Diagnostic Trouble Code (DTC) Detecting Criteria >> DTC P1518 Starter Switch Circuit Low Input >> Diagnostic Method
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Diagnostic Method

Judge as OFF NG when the following conditions are established.

Judgment Value 

JUDGMENT VALUE

Malfunction Criteria Threshold Value
Vehicle speed < 1 km/h (0.62 MPH)
It took 0.8 seconds or more at engine starting, and then it turned after engine starting.  
Starter ON signal Not detected
Engine speed in 0.8 seconds or more for which the condition that engine speed is less than 500 rpm continues ≥ 500 rpm

Time Needed for Diagnosis:  800 milliseconds

Malfunction Indicator Light Illumination:  Illuminates when malfunction occurs in 2 continuous driving cycles.

Judge as OFF OK and clear the NG when the malfunction criteria below are met.

Judgment Value 

JUDGMENT VALUE

Malfunction Criteria Threshold Value
Starter ON Experienced
Starter ON diagnosis Not diagnosed
Battery voltage > 8 V