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Home >> Lexus >> 2017 >> LX 570 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - Diagnostic Codes (1 Of 7) >> SFI System >> DTC P0116: Engine Coolant Temperature Circuit Range / Performance Problem [09/2015 - ] >> Description

DTC P0116: Engine Coolant Temperature Circuit Range / Performance Problem [09/2015 - ]: Description

Refer to DTC P0115 (Refer to DESCRIPTION ).

DTC No. DTC Detection Condition Trouble Area
P0116 When either of the following conditions is met (2 trip detection logic):
  • When a cold engine is started and the engine is warmed up, the Engine Coolant Temperature (ECT) sensor value does not change.
  • After the warmed up engine is stopped and then the next cold engine start is performed, the ECT sensor value does not change.
  • Water inlet sub-assembly with thermostat
  • ECT sensor