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Home >> Infiniti >> 2014 >> Q70 5.6, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 4 (Hybrid Control System) >> DTC/Circuit Diagnosis >> DTC P2519: A/C Request >> DTC Logic >> DTC Detection Logic

DTC Detection Logic

WARNING: This page is about a different variant/trim than selected.
NOTE:
  • If DTC P2519 is displayed with DTC UXXXX, first perform the trouble diagnosis for DTC UXXXX. Refer to "DTC LOGIC ".
  • If DTC P2519 is displayed with DTC P31A9, first perform the trouble diagnosis for DTC P31A9. Refer to "DTC LOGIC ".
DTC Trouble diagnosis name (Trouble diagnosis content) DTC detecting condition Possible cause
P2519 A/C REQUEST A (DC/DC converter cooling request signal circuit) When Li-ion battery controller detects malfunction of DC/DC converter cooling request signal circuit.
  • Harness or connectors (DC/DC converter circuit is shorted.)
  • DC/DC converter
  • Li-ion battery controller
  • HPCM
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