Subaru Legacy BN/BS (2015-2019) Service Manual: Inspection

Subaru Legacy BN/BS (2015-2019) Service Manual / Eyesight / Switches and harness / Inspection

1. PRE-COLLISION BRAKE OFF SWITCH/LANE DEPARTURE WARNING OFF SWITCH

1. Measure the resistance between connector terminals.

Preparation tool:

Circuit tester

Terminal No.	Inspection conditions	Standard
6 — 8	Switch OFF	Approx. 8.2 k-
6 — 8	Switch ON	Less than 1 -

2. Apply battery voltage between the connector terminals to check lighting condition of illumination inside the switch.

Terminal No.	Inspection conditions	Specification
1 (+) — 4 (−)	Apply battery voltage.	Light ON

3. Replace the pre-collision brake OFF switch or the lane departure warning OFF switch, if the inspection result is not within the standard value.

2. EyeSight STEERING SWITCH

1. Measure the resistance between connector terminals.

Preparation tool:

Circuit tester

Terminal No.	Inspection conditions		Standard
3 — 9	DISTANCE− SET/− (slightly) DISTANCE+ RES/+ (slightly)	All OFF	Approx. 4,020 -
	DISTANCE−	ON	Less than 1 -
	SET/− (slightly)	ON	Approx. 250 -
	DISTANCE+	ON	Approx. 680 -
	RES/+ (slightly)	ON	Approx. 1,470 -
4 — 9	CRUISE (MAIN) SET/− (fully) RES/+ (fully)	All OFF	Approx. 4,020 -
	CRUISE (MAIN)	ON	Less than 1 -
	SET/− (fully)	ON	Approx. 250 -
	LANE KEEP	ON	Approx. 680 -
	RES/+ (fully)	ON	Approx. 1,470 -

2. Apply battery voltage between the connector terminals to check lighting condition of illumination inside the switch.

Terminal No.	Inspection conditions	Specification
10 (+) — 11 (−)	Apply battery voltage.	Light ON

3. Replace the EyeSight steering switch if the inspection result is not within the standard.

Removal

1. PRE-COLLISION BRAKE OFF SWITCH1. Disconnect the ground terminal from battery sensor. NOTE2. Remove the cover assembly - instrument panel LWR driver. Instrument Panel Lower Cover > REMOVAL3. Relea ...

Installation

1. PRE-COLLISION BRAKE OFF SWITCH/LANE DEPARTURE WARNING OFF SWITCH1. Install the pre-collision brake OFF switch or the lane departure warning OFF switch.2. Install the cover assembly - instrument pan ...

Other materials:

Inspection
1. BASIC INSPECTIONBefore performing the diagnosis, check the following items which may cause problems relating the wiper or light.1. Check the battery. Battery > INSPECTION Battery > INSPECTION2. Check the relay and fuse condition. Relay and Fuse3. Check the connecting condition of harness and h ...