Engine Coolant Temperature Receiver Gauge Malfunction [03/2017 - 06/2017]: Procedure

1. Check if CAN communication system DTCs are output.

   Refer to DIAGNOSIS SYSTEM [03/2017 - 06/2017]

   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 [03/2017 - ] 

Result: 

A 

See step  2

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: 

B 

GO TO SFI SYSTEM. Refer to  DIAGNOSTIC TROUBLE CODE CHART [03/2017 - 06/2017] 

Result: 

A 

See step  3

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

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

   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. Refer to  REMOVAL [03/2017 - 06/2017] 

Result: 

NG 

REPLACE COMBINATION METER ASSEMBLY. Refer to  REMOVAL [03/2017 - 06/2017]