Meter Illumination is Always Dark [02/2019 - 12/2021]: Procedure

1. Check if CAN communication DTCs are output.

   For HV Model:

   Refer to DIAGNOSIS SYSTEM [02/2019 - 10/2019] , or refer to DIAGNOSIS SYSTEM [10/2019 - 06/2020] , or refer to DIAGNOSIS SYSTEM [06/2020 - 08/2020] , or refer to DIAGNOSIS SYSTEM [08/2020 - 12/2021]

   For Gasoline Model:

   Refer to DIAGNOSIS SYSTEM [02/2019 - 10/2019] , or refer to DIAGNOSIS SYSTEM [10/2019 - 08/2020] , or refer to DIAGNOSIS SYSTEM [08/2020 - 12/2021]

   Result

   Result	Proceed to
   CAN communication DTCs are not output.	A
   CAN communication DTCs are output.	B

Result: 

B 

GO TO CAN COMMUNICATION SYSTEM 

For HV Model:

Refer to DIAGNOSIS SYSTEM [02/2019 - 10/2019] , or refer to DIAGNOSIS SYSTEM [10/2019 - 06/2020] , or refer to DIAGNOSIS SYSTEM [06/2020 - 08/2020] , or refer to DIAGNOSIS SYSTEM [08/2020 - 12/2021]

For Gasoline Model:

Refer to DIAGNOSIS SYSTEM [02/2019 - 10/2019] , or refer to DIAGNOSIS SYSTEM [10/2019 - 08/2020] , or refer to DIAGNOSIS SYSTEM [08/2020 - 12/2021]

Result: 

A 

See step  2

1. Check if lighting system DTCs are output.

   w/ Headlight ECU without AFS:

   Refer to DTC CHECK / CLEAR [11/2018 - 08/2020] , or refer to DTC CHECK / CLEAR [08/2020 - 12/2021]

   w/o Headlight ECU:

   Refer to DTC CHECK / CLEAR [11/2018 - 12/2021]

   w/ AFS:

   Refer to DTC CHECK / CLEAR [02/2019 - 12/2021]

   Body Electrical > Main Body > Trouble Codes 

   OK

   DTC B1244 is not output.

   Result

   Proceed to
   OK
   NG

Result: 

NG 

GO TO DTC B1244 

w/ Headlight ECU without AFS:

Refer to DTC B1244: Light Sensor Circuit [11/2018 - 12/2021]

w/o Headlight ECU:

Refer to DTC B1244: Light Sensor Circuit [11/2018 - 12/2021]

w/ AFS:

Refer to DTC B1244: Light Sensor Circuit [02/2019 - 12/2021]

Result: 

OK 

See step  3

1. Replace the combination meter assembly with a new one.

   Refer to REMOVAL [11/2018 - 10/2022]

2. Check the operation.

   OK

   The operation of the combination meter assembly returns to normal.

   Result

   Proceed to
   OK
   NG

Result: 

OK 

END (COMBINATION METER ASSEMBLY IS DEFECTIVE) 

Result: 

NG 

REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) 

Refer to REMOVAL [02/2019 - 10/2019] , or refer to REMOVAL [10/2019 - 08/2020] , or refer to REMOVAL [08/2020 - 12/2021]