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DTC Detection Logic

WARNING: This page is about a different car, the 2012 Infiniti M35h. However, it is still accessible from the selected car via links, so may be relevant.
DTC No. Trouble diagnosis name (Trouble diagnosis content) DTC detecting condition Possible cause
P3117 A/C SYSTEM (A/C area short circuit) When HPCM detects A/C system insulation resistance drop.
  • Electric compressor insulation resistance drop.
  • High voltage harness connector insulation resistance drop.
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