LEMON Manuals
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Infiniti
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2004
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Q45
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Repair and Diagnosis
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Engine Performance
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Engine Control System
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DTC P1780: Shift Change Signal
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Diagnostic Procedure
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2. Check TCM Function
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2. Check TCM Function
Refer to
TROUBLE DIAGNOSIS
OK or NG
OK: GO TO 3.
NG: Replace TCM. Refer to
PRECAUTIONS
.