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Home >> Lexus >> 2011 >> IS 350 Base, AWD >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> Engine Control System (Diagnostic Codes (P0010-P014F)) >> SFI System >> DTC P0116: Engine Coolant Temperature Circuit Range / Performance Problem >> Description
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DTC P0116: Engine Coolant Temperature Circuit Range / Performance Problem: Description

Refer to DTC P0115. Refer to DESCRIPTION .

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