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Home >> Subaru >> 2006 >> Baja Turbo, Automatic >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 17 (Diagnostic Trouble Code (DTC) Detecting Criteria (H4SO)) >> Diagnostic Trouble Code (DTC) Detecting Criteria >> DTC P0503 - Vehicle Speed Sensor Intermittent/Erratic/High - >> Diagnostic Method

Diagnostic Method

WARNING: This page is about a different variant/trim than selected.

Judge NG when the time of completing the malfunction criteria below becomes more than time needed for diagnosis. Judge OK when the vehicle speed is more than 4 km/h (2.5 MPH) and less than 224 km/h (140 MPH).

Judgment Value 

JUDGMENT VALUE

Malfunction Criteria Threshold Value
High side diagnosis   
Cumulative time when the malfunction criteria below are completed ≥ 5 seconds
Idle switch OFF
Injector pulse ≤ 2.048 milliseconds
Engine speed ≤ 2100 rpm
Neutral switch OFF
Vehicle speed signals count (353 ms) ≥ 56

Time Needed for Diagnosis: 

High 5 seconds

Malfunction Indicator Light Illumination  : Illuminates as soon as malfunction occurs.