LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Lexus >> 2011 >> IS 250 Base, RWD, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (Diagnostic Codes (P0010-P014F)) >> SFI System >> DTC P0116: Engine Coolant Temperature Circuit Range / Performance Problem >> Description
April 5, 2026: LEMON Manuals is launched! Read the announcement.

DTC P0116: Engine Coolant Temperature Circuit Range / Performance Problem: Description

Refer to DTC P0115. Refer to DESCRIPTION .

The structure of the sensor and its connection to the ECM are the same as those of the Intake Air Temperature (IAT) sensor.

DTC No. DTC Detection Condition Trouble Area
P0116 When either of following conditions met (2 trip detection logic):
  • When cold engine started and engine warmed up, Engine Coolant Temperature (ECT) sensor value does not change.
  • After warmed up engine started, if ECT sensor value does not change when engine stopped and then next cold engine start performed, it determined that malfunction has occurred.
  • Thermostat
  • ECT sensor