FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
Courtesy of Operation CHARM
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Car repair manuals for everyone.
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Infiniti
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2011
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G37 Convertible V6-3.7L (VQ37VHR)
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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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U Code Charts
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U1228
U1228
U1228 AV CONTROL UNIT
DTC Logic
DTC DETECTION LOGIC
