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1994
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Impreza Wagon AWD F4-1820cc 1.8L SOHC
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Repair and Diagnosis
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A L L Diagnostic Trouble Codes ( DTC )
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Testing and Inspection
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Manufacturer Code Charts
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DTC 23
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Transmission Control Systems
Transmission Control Systems
Code 23 - Engine Speed Signal:
DIAGNOSIS
Engine speed input signal circuit is open or shorted.
TROUBLE SYMPTOM
^
No lock up occurs (after engine warm up).
^
Power indicator remains on when vehicle speed is "0."