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

Subaru Legacy BN/BS (2015-2019) Service Manual / Hvac system (heater ventilator and a c) / Ambient sensor / Inspection

1. Visually check the ambient sensor for dirt or damage, and clean or replace as necessary.

2. Measure the resistance between ambient sensor terminals.

CAUTION:

During inspection, be careful not to touch the sensor end in order to avoid misjudgment due to body temperature.

Preparation tool:

Circuit tester

Terminal No.	Inspection conditions	Standard
1 — 2	10°C	3.12 — 3.70 k-
	15°C	2.49 — 2.88 k-
	20°C	2 — 2.26 k-
	25°C	1.62 — 1.79 k-
	30°C	1.32 — 1.42 k-
	35°C	1.08 — 1.14 k-
	40°C	0.89 — 0.92 k-
	45°C	0.74 — 0.75 k-
	50°C	0.62 — 0.62 k-
	55°C	0.52 — 0.51 k-
	60°C	0.44 — 0.42 k-

3. Replace the ambient sensor if the inspection result is not within the standard value.

Removal

1. Disconnect the ground terminal from battery sensor. NOTE2. Remove the clips, and turn over the mud guard - front.3. Disconnect the connector and remove the ambient sensor. ...

Installation

1. Install the ambient sensor.2. Install the mud guard - front.3. Connect the ground terminal to battery sensor. NOTE ...

Other materials:

Electrical specification
1. RADAR SENSORTerminal No.ContentMeasuring conditionStandardRadar sensor LH (master)Radar sensor RH (slave)1 ←> Chassis groundPrivate CAN HPrivate CAN HAlways1 M- or more2 ←> Chassis groundMaster CAN H — Always1 M- or more3 ←> Chassis ground — — — — 4 ←> Chassis gro ...