Front ECU

FRONT ECU

CHECK ITEMS	Item No.	Display on scan tool	Check conditions	Normal conditions
Response by the front-ECU	70	FRONT ECU ACK	Lighting switch: Other than OFF (excluding when high-beam is on) or the wiper switch is at position other than OFF	NORMAL ACK
			Ignition switch: ON or START Lighting switch: OFF Wiper switch: OFF	SLEEP ACK
			Lighting switch: HEAD Headlights: at high beam	HI-BEAM ACK
			-	NO ACK
NOTE: For item number 70, the scan tool also displays "NG" under the "ECU Check" when it displays "NO ACK" under the front-ECU check.