Tire Pressure Warning Light Circuit [12/2019 - 10/2022]: Procedure

1. Check if CAN communication system DTCs are output.

   for HV Model: Refer to DIAGNOSIS SYSTEM [12/2019 - 09/2020] , or refer to DIAGNOSIS SYSTEM [09/2020 - 10/2021] , or refer to DIAGNOSIS SYSTEM [10/2021 - 10/2022]

   for Gasoline Model: Refer to DIAGNOSIS SYSTEM [12/2019 - 09/2020] , or refer to DIAGNOSIS SYSTEM [09/2020 - 10/2022]

   Result

   Result	Proceed to
   DTCs are not output	A
   DTCs are output	B

Result: 

B 

GO TO CAN COMMUNICATION SYSTEM 

for HV Model: Refer to HOW TO PROCEED WITH TROUBLESHOOTING [12/2019 - 10/2021] , or refer to HOW TO PROCEED WITH TROUBLESHOOTING [10/2021 - 10/2022]

for Gasoline Model: Refer to HOW TO PROCEED WITH TROUBLESHOOTING [12/2019 - 10/2022]

Result: 

A 

See step  2

1. Clear the DTCs.

   Body Electrical > Main Body > Clear DTCs 

2. Turn the ignition switch off.
3. Turn the ignition switch to ON.
4. Check for DTCs.

   Body Electrical > Main Body > 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 [12/2019 - 11/2023]  

Result: 

A 

See step  3

1. Check the condition of the tire pressure warning light using the GTS.

   Body Electrical > Combination Meter > Active Test 

   Tester Display	Measurement Item	Control Range	Diagnostic Note
   Tire Pressure Warning System Indicator	Tire pressure warning light	OFF or ON	-

   Body Electrical > Combination Meter > Active Test 

   Tester Display
   Tire Pressure Warning System Indicator

   OK

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

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE TIRE PRESSURE WARNING ECU AND RECEIVER. Refer to  REMOVAL [12/2019 - 11/2023] 

Result: 

NG 

GO TO METER / GAUGE SYSTEM. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [12/2019 - ]