Tire Pressure Warning Light Circuit: Procedure

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

   Result

   Result	Proceed to
   DTC is not output.	A
   DTC is output.	B

B → See step   5 

A: Go to next step 

1. Clear the DTCs. Refer to DTC CHECK / CLEAR .
2. Turn the ignition switch off.
3. Turn the ignition switch to ON.
4. Check for DTCs. Refer to DTC CHECK / CLEAR .

   OK

   DTC B1247 is not output.

NG → See step   6 

OK: Go to next step 

1. Turn the ignition switch off.
2. Connect the Techstream to the DLC3.
3. Turn the ignition switch to ON.
4. Turn the Techstream on.
5. Enter the following menus: Body Electrical / Combination Meter / Active Test.
6. Check the condition of the tire pressure warning light by using the Techstream.
   COMBINATION METER
   
   

   Tester Display	Test Part	Control Range	Diagnostic Note
   Indicat. Tire Pressure Warning System	Tire pressure warning light	Tire pressure warning light OFF or ON	Confirm that the vehicle is stopped, engine idling

   OK

   The tire pressure warning light turns on or off in accordance with the Techstream operation.

NG → See step   7 

OK → See step   4