When The On Board Self-Diagnosis Does Not Start

If the on board self-diagnosis does not start, check the following items.

Assumed abnormal part		Inspection item
Information display	Combination meter malfunction	Check that the self-diagnosis function of the combination meter operates. Refer to ON BOARD DIAGNOSIS FUNCTION .
ICC steering switch malfunction		Perform the inspection for DTC "C1A06". Refer to DTC DESCRIPTION .
Harness malfunction between ICC steering switch and ADAS control unit
ADAS control unit malfunction
Harness malfunction between ICC steering switch and ECM
ECM malfunction
ADAS control unit malfunction		Check power supply and ground circuit of ADAS control unit. Refer to DIAGNOSIS PROCEDURE . Perform SELF-DIAGNOSIS for "ICC/ADAS"with CONSULT, and then check the malfunctioning parts. Refer to DTC INDEX .