DTC P0116: Engine Coolant Temperature Sensor Circuit Range/Performance: Notes
WARNING: This page is about a different car, the 2002 Toyota MR2. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
If DTCs P0115 and P0116 are output together, an open may exist in Engine Coolant Temperature (ECT) sensor circuit. Perform DTC P0115: ENGINE COOLANT TEMPERATURE SENSOR CIRCUIT test before performing DTC P0116 test.
NOTE:
For component location, see appropriate illustration in THEORY & OPERATION
article.