2009 Toyota Matrix Base, AutomaticFACTORY OEM SERVICE PROCEDURE

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

Refer to DTC P0115 (See DTC P0115 ENGINE COOLANT TEMPERATURE CIRCUIT MALFUNCTION; DTC P0117 ENGINE COOLANT TEMPERATURE CIRCUIT LOW INPUT; DTC P0118 ENGINE COOLANT TEMPERATURE CIRCUIT HIGH INPUT ).

DTC DETECTION CONDITION CHART

DTC No. DTC Detection Condition Trouble Area
P0116 When either of the following conditions is met (2 trip detection logic):
  • During engine warm up after cold engine starts, change in Engine Coolant Temperature sensor output is below threshold
  • In duration between warmed engine stopped and next cold engine starts, change in engine coolant temperature sensor output below threshold
  • Thermostat
  • Engine coolant temperature sensor
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