Malfunction in Water Temperature Warning Light [09/2016 - ]: Procedure

1. Check if CAN communication system DTCs are output.

   Refer to DIAGNOSIS SYSTEM [09/2016 - 01/2018] , or refer to DIAGNOSIS SYSTEM [01/2018 - 05/2019] , or refer to DIAGNOSIS SYSTEM [05/2019 - 07/2020] , or refer to DIAGNOSIS SYSTEM [07/2020 - ]

   Result

   Result	Proceed to
   DTCs are not output	A
   DTCs are output	B

Result: 

B 

GO TO CAN COMMUNICATION SYSTEM. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [09/2016 - 12/2018]  , or refer to  HOW TO PROCEED WITH TROUBLESHOOTING [12/2018 - ] 

Result: 

A 

See step  2

1. Check if SFI system DTCs are output.

   Refer to DTC CHECK / CLEAR [09/2016 - ]

   Powertrain > Engine > Trouble Codes 

   Result

   Result	Proceed to
   DTCs are not output	A
   DTCs are output	B

Result: 

B 

GO TO SFI SYSTEM. Refer to  DIAGNOSTIC TROUBLE CODE CHART [09/2016 - 01/2018]  , or refer to  DIAGNOSTIC TROUBLE CODE CHART [01/2018 - 12/2018]  , or refer to  DIAGNOSTIC TROUBLE CODE CHART [12/2018 - 05/2019]  , or refer to  DIAGNOSTIC TROUBLE CODE CHART [05/2019 - 07/2020]  , or refer to  DIAGNOSTIC TROUBLE CODE CHART [07/2020 - ] 

Result: 

A 

See step  3

1. Connect the Techstream to the DLC3.
2. Turn the power switch on (IG).
3. Turn the Techstream on.
4. Enter the following menus: Body Electrical / Combination Meter / Active Test.
5. Perform the Active Test according to the display on the Techstream.

   Body Electrical > Combination Meter > Active Test 

   Tester Display	Measurement Item	Control Range	Diagnostic Note
   Indicat. Lamp Coolant Hot	Engine coolant temperature hot warning light	OFF or ON	-

   Body Electrical > Combination Meter > Active Test 

   Tester Display
   Indicat. Lamp Coolant Hot

   OK

   Engine coolant temperature hot warning light operation is normal.

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE ECM. Refer to  REMOVAL [09/2016 - 07/2020]  , or refer to  REMOVAL [07/2020 - ] 

Result: 

NG 

REPLACE COMBINATION METER ASSEMBLY (METER CIRCUIT PLATE). Refer to  DISASSEMBLY [09/2016 - ]