Tire Pressure Warning Light Circuit: Procedure

1. Turn the ignition switch off.
2. Connect the Techstream to the DLC3.
3. Turn the ignition switch to ON and turn the Techstream on.
4. Enter the following menus:

   Select: "Bus Check" from the "System Select" / "Communication Malfunction DTC" from the "Bus Check" screen

5. Check the CAN communication system. Refer to DIAGNOSIS SYSTEM w/ Smart Key System, refer to DIAGNOSIS SYSTEM w/o Smart Key System.
   RESULT
   
   

   Result		Proceed to
   No malfunction appears		A
   Malfunction appears	w/ Smart Key System	B
   	w/o Smart Key System	C

B → See step   4 

C → See step   7 

A: Go to next step 

1. Turn the ignition switch off.
2. Connect the Techstream to the DLC3.
3. Turn the ignition switch to ON and turn the Techstream on.
4. Check for DTCs.
   RESULT
   
   

   Result		Proceed to
   CAN system DTC is not output		A
   CAN system DTC is output	w/ Smart Key System	B
   	w/o Smart Key System	C

B → See step   4 

C → See step   7 

A: Go to next step 

1. Turn the ignition switch off.
2. Connect the Techstream to the DLC3.
3. Turn the ignition switch to ON and turn the Techstream on.
4. Enter the following menus: Body Electrical / Combination Meter / Active Test.
5. Check the condition of the tire pressure warning light by operating 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 is OFF/ON	Confirm that the vehicle is stopped, engine idling

   OK

   The warning light turns on or off according to the Techstream operation.

NG → See step   5 

OK → See step   6