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Home >> Infiniti >> 2013 >> M37 Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 73 (Engine Control System - DTCS P0190 To P1084) >> DTC P0197, P0198: EOT Sensor >> DTC Logic >> DTC Detection Logic

DTC Detection Logic

WARNING: This page is about a different car, the 2013 Infiniti M56. 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
P0197 EOT SEN/CIRC (Engine oil temperature sensor circuit low input) An excessively low voltage from the sensor is sent to ECM.
  • Harness or connectors (The EOT sensor circuit is open or shorted.)
  • Engine oil temperature sensor
P0198 EOT SEN/CIRC (Engine oil temperature sensor circuit high input) An excessively high voltage from the sensor is sent to ECM.
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