DTC P0116: Engine Coolant Temperature Circuit Range / Performance [12/2013 - 11/2016]: Procedure
WARNING: This page is about a different car, the 2016 Toyota Highlander, 2015 Toyota Highlander, and 2014 Toyota Highlander. However, it is still accessible from the selected car via links, so may be relevant.
- CHECK ANY OTHER DTCS OUTPUT (IN ADDITION TO DTC P0116)
- Connect the Techstream to the DLC3.
- Turn the ignition switch to ON.
- Turn the Techstream on.
- Enter the following menus: Powertrain / Engine / Trouble Codes.
- Read the DTCs.
Powertrain > Engine > Trouble Codes
Result Proceed to DTC P0116 is output A DTC P0116 and other DTCs are output B HINT:
If any DTCs and other than P0116 are output, troubleshoot those DTCs first.
Result:
B
GO TO DTC CHART.
Refer to DIAGNOSTIC TROUBLE CODE CHART [12/2013 - 08/2014]
Refer to DIAGNOSTIC TROUBLE CODE CHART [08/2014 - 11/2015]
Refer to DIAGNOSTIC TROUBLE CODE CHART [11/2015 - 11/2016]
Result:
A
See step 2
- INSPECT THERMOSTAT
- Inspect the thermostat (thermostat opening temperature).
Refer to INSPECTION [12/2013 - 11/2016]
HINT:
Perform "Inspection After Repair" after replacing the engine coolant temperature sensor.
Refer to INITIALIZATION [12/2013 - 11/2016]
Proceed to OK NG
Result:
OK
REPLACE ENGINE COOLANT TEMPERATURE SENSOR.
Refer to REMOVAL [12/2013 - 11/2016]
Result:
NG
REPLACE THERMOSTAT
Refer to REMOVAL [12/2013 - 11/2016]
- Inspect the thermostat (thermostat opening temperature).