DTC P0116: Engine Coolant Temperature (ECT) Sensor Circuit Range/Performance: Notes

WARNING: This page is about a different car, the 2000 Toyota Corolla. 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 ECT sensor circuit. Perform DTC P0115: ENGINE COOLANT TEMPERATURE (ECT) SENSOR CIRCUIT test before performing DTC P0116 test.

NOTE: For component location, see appropriate illustration in THEORY & OPERATION article.