System Malfunction Message is Displayed on the Multi-information Display [12/2021 - ]: Procedure

1. Check for DTCs.

   Body Electrical > Smart Key > Trouble Codes 

   Body Electrical > Power Source Control > Trouble Codes 

   Result

   Result	Proceed to
   DTCs are not output	A
   DTC is output.	B

Result: 

B 

GO TO SMART KEY SYSTEM (for Entry Function) (DIAGNOSTIC TROUBLE CODE CHART). Refer to  DIAGNOSTIC TROUBLE CODE CHART [12/2021 - ] 

Result: 

A 

See step  2

1. Read the Data List according to the display on the GTS.

   Body Electrical > Power Source Control > Data List 

   Tester Display	Measurement Item	Range	Normal Condition	Diagnostic Note
   Vehicle Running Condition (Line)	Vehicle being driven or stopped	Stop or Driving	Stop: Vehicle stopped Driving: Vehicle being driven at 5 km/h (3 mph) or more	-

   Body Electrical > Power Source Control > Data List 

   Tester Display
   Vehicle Running Condition (Line)

   OK

   The GTS display changes correctly in response to the vehicle condition.

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY). Refer to  REMOVAL [07/2020 - ] 

Result: 

NG 

GO TO ELECTRONICALLY CONTROLLED BRAKE SYSTEM (HOW TO PROCEED WITH TROUBLESHOOTING). Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [07/2020 - ]