Tire Pressure Warning Light Circuit [01/2019 - 09/2022]: Procedure

1. Check if CAN communication system DTCs are output.

   Refer to DIAGNOSIS SYSTEM [01/2019 - 04/2020] , or refer to DIAGNOSIS SYSTEM [04/2020 - 09/2022]

   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 [01/2019 - 09/2022] 

Result: 

A 

See step  2

1. Clear the DTCs.

   Chassis > Tire Pressure Monitor > Clear DTCs 

2. Turn the power switch off.
3. Turn the power switch on (IG).
4. Check for DTCs.

   Chassis > Tire Pressure Monitor > Trouble Codes 

   Result

   Result	Proceed to
   B1247 is not output	A
   B1247 is output	B

Result: 

B 

GO TO DTC (B1247). Refer to  DTC B1247: Tire Pressure Monitor Receiver Communication Stop [01/2019 - 09/2022]  

Result: 

A 

See step  3

1. Turn the power switch off.
2. Connect the Techstream to the DLC3.
3. Turn the power switch on (IG).
4. Turn the Techstream on.
5. Enter the following menus: Body Electrical / Combination Meter / Active Test.
6. Check the combination meter assembly.

   Body Electrical > Combination Meter > Active Test 

   Tester Display	Measurement Item	Control Range	Diagnostic Note
   Multi Display All (White)	Multi-information display (White display)	ON	-

   Body Electrical > Combination Meter > Active Test 

   Tester Display
   Multi Display All (White)

   OK

   The multi-information display in the combination meter assembly turns on according to the operation of the Active Test.

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE TIRE PRESSURE WARNING ECU AND RECEIVER. Refer to  REMOVAL [01/2019 - 09/2022] 

Result: 

NG 

GO TO METER / GAUGE SYSTEM. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [01/2019 - 09/2022]