DTC B28B9: Eyesight Steering Switch 2

DTC detecting condition:

Wiring of the EyeSight steering switch is not connected.
When the EyeSight steering switch has a failure.
EyeSight steering switch circuit is open.
EyeSight steering switch circuit stays ON.

Trouble symptom:

All functions of EyeSight system do not operate.

NOTE:

Refer to DTC B28B8 for diagnostic procedure. Ref. to EYESIGHT (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)>DTC B28B8 EYESIGHT STEERING SWITCH 1