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Infiniti
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2008
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G37 Coupe 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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U121F
U121F
U121F AV CONTROL UNIT
Description
DTC Logic
Diagnosis Procedure
Step 1:
