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

Subaru Legacy BN/BS (2015-2019) Service Manual / Fuel injection (fuel systems)(h4do) / Fuel pump relay / Inspection

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

2. Measure the resistance between fuel pump relay terminals.

Terminal No.	Standard
1 and 2	1 M- or more
3 and 4	130.4 — 230.8 - (when 20°C (68°F))

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

Terminal No.	Standard
1 and 2	Less than 1 -

Removal

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

Installation

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

Other materials:

Inspection
1. CYLINDER HEAD1. Visually inspect to make sure that there are no cracks, scratches or other damage.2. Use liquid penetrant tester on the important sections to check for fissures.3. Check that there are no marks of gas leaking or water leaking on gasket attachment surface.4. Check the warping of th ...