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2005
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Impreza WRX F4-2.0L DOHC Turbo
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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 77
DTC 77
DTC 77 LOCK-UP DUTY SOLENOID
DIAGNOSIS:
The output signal circuit of lock-up duty solenoid is open or shorted.
TROUBLE SYMPTOM:
No lock-up (after engine warm-up).
WIRING DIAGRAM