DTC Detection Logic

NOTE: If DTC P31F9 or P31FA is displayed with DTC P0A1D, first perform the trouble diagnosis for DTC P0A1D. Refer to "DTC LOGIC ".

DTC DETECTION LOGIC - WITHOUT ICC MODELS

DTC No.	Trouble diagnosis name (Trouble diagnosis content)	DTC detecting condition	Possible cause
P31F9	ASCD SWITCH (ASCD steering switch)	When the input signal system from ASCD steering switch is abnormal	Harness or connectors (ASCD steering switch circuit is open or shorted.) ASCD steering switch
P31FA	ASCD SWITCH (ASCD steering switch)

DTC DETECTION LOGIC - WITH ICC MODELS

DTC No.	Trouble diagnosis name (Trouble diagnosis content)	DTC detecting condition	Possible cause
P31F9	ASCD SWITCH (ICC steering switch)	When the input signal system from ICC steering switch is abnormal	Harness or connectors (ICC steering switch circuit is open or shorted.) ICC steering switch
P31FA	ASCD SWITCH (ICC steering switch)