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Home >> Infiniti >> 2011 >> M37 Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 302 (Engine Control System - DTCS P0300 To P1212 (For MEXICO)) >> DTC P0527: Cooling Fan Speed Sensor >> DTC Logic >> DTC Detection Logic

DTC Detection Logic

WARNING: This page is about a different car, the 2012 Infiniti QX56. However, it is still accessible from the selected car via links, so may be relevant.
DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P0527 Cooling fan speed sensor circuit range/performance The number of fan speed signals is 16 rpm or less during engine rev.
  • Harness or connectors

    (The Fuel rail pressure sensor circuit is open or shorted.)

    (The Power steering pressure sensor circuit is open or shorted)

    (The Electrically-controlled cooling fan coupling circuit is open or shorted)

  • Fuel rail pressure sensor
  • Power steering pressure sensor
  • Cooling fan speed sensor
  • Electrically-controlled cooling fan coupling
  • Cooling fan
  • IPDM E/R
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