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

Subaru Legacy BN/BS (2015-2019) Service Manual / Fuel injection (fuel systems)(h6do) / Main relay / Inspection

1. Check that the main relay has no deformation, cracks or other damages.

2. Measure the resistance between main relay terminals.

Terminal No.	Standard
1 and 3	1 M- or more
2 and 4	80.55 — 98.45 - (when 20°C (68°F))

3. Connect battery positive terminal to terminal No. 2 and battery ground terminal to terminal No. 4, and measure the resistance between the main relay terminals.

Terminal No.	Standard
1 and 3	Less than 1 -

Removal

1. Disconnect the ground terminal from battery sensor. NOTE2. Remove the main relay from main fuse box. ...

Installation

1. Install the main relay to the main fuse box.2. Connect the ground terminal to battery sensor. NOTE ...

Other materials:

Dtc b1906 open in front p/t lh
DIAGNOSIS START CONDITION:Ignition voltage is 10 V to 16 V.DTC DETECTING CONDITION:Open circuit failure (open circuit in rear harness, open circuit in front seat pretensioner LH, open circuit in airbag CM internal circuit, connector connection failure)CAUTION:Before performing diagnosis, refer to &l ...