Engine Coolant Temperature Receiver Gauge Malfunction: Procedure

1. Check if a CAN communication DTC is output. Refer to DIAGNOSIS SYSTEM .
   RESULT
   
   

   Result	Proceed to
   CAN communication DTC is not output	A
   CAN communication DTC is output	B

B → See step   5 

A: Go to next step 

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. According to the display on the Techstream, perform the Active Test.
   COMBINATION METER
   
   

   Tester Display	Test Part	Control Range	Diagnostic Note
   Water Temperature Meter Operation	Engine coolant temperature receiver gauge	LOW, NORMAL, HIGH	Operate with IG ON and the vehicle is stopped.

   OK

   Engine coolant temperature receiver gauge indication is normal.

NG → See step   6 

OK: Go to next step 

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 / Data List.
5. According to the display on the Techstream, read the Data List.
   COMBINATION METER
   
   

   Tester Display	Measurement Item/Range	Normal Condition	Diagnostic Note
   Coolant Temperature	Engine coolant temperature/ Min.: 0°C (32°F), Max.: 127.5°C (261.5°F)	80 to 100°C (176 to 212°F); After warming up	-

   OK

   Engine coolant temperature value displayed on the Techstream is almost the same as the engine coolant temperature receiver gauge indication.

NG → See step   6 

OK: Go to next step 

1. Check if a engine control DTC is output. Refer to DTC CHECK / CLEAR for 2GR-FE. Refer to DTC CHECK / CLEAR for 1AR-FE.
   RESULT
   
   

   Result	Proceed to
   Engine control DTC is not output	A
   Engine control DTC is output (for 2GR-FE)	B
   Engine control DTC is output (for 1AR-FE)	C

B → See step   7 

C → See step   8 

A → See step   6