DTC P0116: ECT Sensor 1 Circuit Range/Performance Problem
NOTE: Before you troubleshoot, review the general troubleshooting information - Refer to: How to Troubleshoot the Fuel and Emissions SystemsHow to Troubleshoot the CVT System(CVT System) .
| DTC Description | Confirmed DTC | Pending DTC | Freeze Frame |
|---|---|---|---|
| P0116 ECT Sensor 1 Circuit Range/Performance Problem |
DTC (PGM-FI)
- 1. ECT sensor 1 check:
- 1. Turn the vehicle to the ON mode.
- 2. Check the parameter(s) below with the HDS.
Signal Threshold Current conditions Values Unit Values Unit ECT SENSOR 1 More than 176 °F Do the current condition(s) match the threshold?
YES
Note the value of ECT SENSOR 1, then go to step 3.
NO
Go to step 2.
- 2. Problem verification (low temperature):
- 1. Note the value of ECT SENSOR 1 in the DATA LIST with the HDS.
Signal Current conditions Values Unit ECT SENSOR 1 - 2. Start the engine.
- 3. Hold the engine speed at 3,000 rpm without load (in P or N) until the radiator fan comes on, then let it idle.
- 4. Check ECT SENSOR 1 in the DATA LIST with the HDS.
Signal Current conditions Values Unit ECT SENSOR 1 Does ECT SENSOR 1 change 18°F (10°C) or more?
YES
Intermittent failure, the system is OK at this time. Check for poor connections or loose terminals at ECT sensor 1 and the PCM. If the freeze data/on-board snapshot of this DTC is recorded, try to reproduce the failure under the same conditions with the freeze data/on-board snapshot.
NO
The failure is duplicated. Replace ECT sensor 1 - Refer to: ECT Sensor 1 Removal and InstallationECT Sensor 2 Removal and Installation .
- 3. Problem verification (high temperature):
- 1. Turn the vehicle to the OFF (LOCK) mode.
- 2. Open the hood, and let the engine cool for 3 hours.
- 3. Turn the vehicle to the ON mode.
- 4. Check ECT SENSOR 1 in the DATA LIST with the HDS.
Signal Current conditions Values Unit ECT SENSOR 1 Does ECT SENSOR 1 change 18°F (10°C) or more?
YES
Intermittent failure, the system is OK at this time. Check for poor connections or loose terminals at ECT sensor 1 and the PCM. If the freeze data/on-board snapshot of this DTC is recorded, try to reproduce the failure under the same conditions with the freeze data/on-board snapshot.
NO
The failure is duplicated. Replace ECT sensor 1 - Refer to: ECT Sensor 1 Removal and InstallationECT Sensor 2 Removal and Installation .