DTC P0116: Engine Coolant Temperature Sensor Circuit Range/Performance Or DTC P0125: Insufficient Coolant Temperature For Closed Loop Fuel Control: Notes

WARNING: This page is about a different car, the 2003 Toyota 4Runner. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: If DTCs P0115, P0116, P0117, P0118 and P0125 are output simultaneously, engine coolant temperature sensor circuit may be open or shorted. Perform the troubleshooting of DTCs P0115, P0117 or P0118 first, before performing DTCs P0116 and/or P0125 test.