Malfunction in Water Temperature Warning Light: Procedure

1. Connect a Techstream to the DLC3.
2. Turn the ignition switch on and turn the tester on.
3. Check for DTCs and note any codes that are output. Refer to DTC CHECK / CLEAR .
4. Clear the DTC. Refer to DTC CHECK / CLEAR .
5. Recheck for DTC. Refer to DTC CHECK / CLEAR .

   Result

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

B → Refer to step   5 

A: Refer to next step 

1. Connect a Techstream to the DLC3.
2. Turn the ignition switch on and turn the tester on.
3. Check for DTCs and note any codes that are output. Refer to DTC CHECK / CLEAR .
4. Clear the DTC. Refer to DTC CHECK / CLEAR .
5. Recheck for DTC. Refer to DTC CHECK / CLEAR .

   Result

   Result	Refer to
   Engine control DTC is not output	A
   Engine control DTC is output	B

B → Refer to step   6 

A: Refer to next step 

1. Connect a Techstream to the DLC3.
2. Turn the ignition switch on and turn the tester on.
3. Operate the Techstream according to the display and select "Active Test". Refer to DATA LIST / ACTIVE TEST .

   Body Electrical / Combination Meter / Active Test:

   Tester Display	Test Part	Control Range
   Water Temperature Meter Operation	LOW / NORMAL / HIGH	Value selected during Active Test is displayed

   OK

   Value selected during "Active Test" is displayed.

NG → Refer to step   7 

OK: Refer to next step 

1. Connect a Techstream to the DLC3.
2. Turn the ignition switch on and the tester on.
3. Operate the Techstream according to the display and select "Data List". Refer to DATA LIST / ACTIVE TEST .

   Body Electrical / Combination meter / Data List:

   Tester Display	Measurement Item/Range	Normal Condition	Diagnostic Note
   Coolant Temperature	Engine coolant temperature Min.: 0 (0) Max.: 127.5 (261.5)	After warning up 75 to 105 (167 to 221)	Unit: °C (°F)

   OK

   Vehicle's coolant temperature and tester value are the same.

NG → Refer to step   9 

OK → Refer to step   8