Engine Coolant Temperature Receiver Gauge Malfunction [01/2019 - 09/2022]: Procedure

1. Check if CAN communication system DTCs are output.

   Refer to DIAGNOSIS SYSTEM [01/2019 - 03/2019] , or refer to DIAGNOSIS SYSTEM [03/2019 - 09/2019] , or refer to DIAGNOSIS SYSTEM [09/2019 - 04/2020] , or refer to DIAGNOSIS SYSTEM [04/2020 - 09/2022]

   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 [06/2018 - 09/2022]

Result: 

A 

See step  2

1. Choose the model to be inspected.

   Result

   Result	Proceed to
   for M20A-FKS	A
   for 2ZR-FAE	B

Result: 

B 

See step  4

Result: 

A 

See step  3

1. Check if SFI system DTCs are output.

   Powertrain > Engine > Trouble Codes 

   Result

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

Result: 

A 

See step  5

Result: 

B 

GO TO SFI SYSTEM 

Refer to DIAGNOSTIC TROUBLE CODE CHART [01/2019 - 03/2019] , or refer to DIAGNOSTIC TROUBLE CODE CHART [03/2019 - 09/2019] , or refer to DIAGNOSTIC TROUBLE CODE CHART [09/2019 - 04/2020] , or refer to DIAGNOSTIC TROUBLE CODE CHART [04/2020 - 06/2020] , or refer to DIAGNOSTIC TROUBLE CODE CHART [06/2020 - 06/2021] , or refer to DIAGNOSTIC TROUBLE CODE CHART [06/2021 - 09/2022]

1. Check if SFI system DTCs are output.

   Powertrain > Engine and ECT > 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 [01/2019 - 03/2019] , or refer to DIAGNOSTIC TROUBLE CODE CHART [03/2019 - 04/2020] , or refer to DIAGNOSTIC TROUBLE CODE CHART [04/2020 - 09/2022]

Result: 

A 

See step  5

1. Connect the Techstream to the DLC3.
2. Turn the ignition switch ON.
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
   Water Temperature Meter Operation (50C, 122F)	Engine coolant temperature receiver gauge (50°C, 122°F)	ON	See [Display 1]
   Water Temperature Meter Operation (60C, 140F)	Engine coolant temperature receiver gauge (60°C, 140°F)	ON	See [Display 1]
   Water Temperature Meter Operation (70C, 158F)	Engine coolant temperature receiver gauge (70°C, 158°F)	ON	See [Display 1]
   Water Temperature Meter Operation (80C, 176F)	Engine coolant temperature receiver gauge (80°C, 176°F)	ON	See [Display 1]
   Water Temperature Meter Operation (Middle)	Engine coolant temperature receiver gauge (Middle)	ON	See [Display 1]
   Water Temperature Meter Operation (110C, 230F)	Engine coolant temperature receiver gauge (110°C, 230°F)	ON	See [Display 1]
   Water Temperature Meter Operation (120C, 248F)	Engine coolant temperature receiver gauge (120°C, 248°F)	ON	See [Display 1]
   Water Temperature Meter Operation (127C, 260F)	Engine coolant temperature receiver gauge (127°C, 260°F)	ON	See [Display 1]

   [Display 1]: Water Temperature Meter Operation 

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *A	for 4.2 Inch Type Multi-information Display	*B	for 7 Inch Type Multi-information Display
   *a	Engine Coolant Temperature Receiver Gauge	-	-

   HINT: 

   Refer to the following table for the specified engine coolant temperature receiver gauge position for each selected value.

   Tester Display	engine coolant temperature receiver gauge indication
   Water Temperature Meter Operation (50C, 122F)	Between 1 and 2 is indicated
   Water Temperature Meter Operation (60C, 140F)	Between 2 and 3 is indicated
   Water Temperature Meter Operation (70C, 158F)	Between 3 and 4 is indicated
   Water Temperature Meter Operation (80C, 176F)	Approximately 4 is indicated
   Water Temperature Meter Operation (Middle)	Approximately 4 is indicated
   Water Temperature Meter Operation (110C, 230F)	Between 5 and 6 is indicated
   Water Temperature Meter Operation (120C, 248F)	Approximately 7 is indicated
   Water Temperature Meter Operation (127C, 260F)	Approximately 8 is indicated

   Body Electrical > Combination Meter > Active Test 

   Tester Display
   Water Temperature Meter Operation (50C, 122F)

   Body Electrical > Combination Meter > Active Test 

   Tester Display
   Water Temperature Meter Operation (60C, 140F)

   Body Electrical > Combination Meter > Active Test 

   Tester Display
   Water Temperature Meter Operation (70C, 158F)

   Body Electrical > Combination Meter > Active Test 

   Tester Display
   Water Temperature Meter Operation (80C, 176F)

   Body Electrical > Combination Meter > Active Test 

   Tester Display
   Water Temperature Meter Operation (Middle)

   Body Electrical > Combination Meter > Active Test 

   Tester Display
   Water Temperature Meter Operation (110C, 230F)

   Body Electrical > Combination Meter > Active Test 

   Tester Display
   Water Temperature Meter Operation (120C, 248F)

   Body Electrical > Combination Meter > Active Test 

   Tester Display
   Water Temperature Meter Operation (127C, 260F)

   OK

   Engine coolant temperature receiver gauge indication is normal.

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE ECM 

for M20A-FKS: Refer to REMOVAL [01/2019 - 03/2019] , or refer to REMOVAL [03/2019 - 09/2022]

for 2ZR-FAE: Refer to REMOVAL [01/2019 - 03/2019] , or refer to REMOVAL [03/2019 - 09/2022]

Result: 

NG 

REPLACE COMBINATION METER ASSEMBLY 

Refer to REMOVAL [01/2019 - 03/2019] , or refer to REMOVAL [03/2019 - 09/2022]