DTC B2670: Rear Console Switch Internal Equipment Module; DTC B2671: Rear Console Switch Display Equipment Module; DTC B2672: ECU Malfunction (EEPROM) [12/2021 - ]: Procedure

1. Clear the DTCs.

   Body Electrical > Rear Console Switch > Clear DTCs 

   Result

   Proceed to
   NEXT

Result: 

NEXT 

See step  2

1. Check for DTCs.

   Body Electrical > Rear Console Switch > Trouble Codes 

   Result

   Result	Proceed to
   DTCs are not output	A
   B2670, B2671 or B2672 is output	B

Result: 

A 

USE SIMULATION METHOD TO CHECK. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [12/2021 - ] 

Result: 

B 

REPLACE COOLER CONTROL SWITCH ASSEMBLY (REAR MULTI OPERATION PANEL). Refer to  REMOVAL [12/2021 - ]