IG Relay: Inspection

WARNING: This page is about a different car, the 2014 Subaru Forester. However, it is still accessible from the selected car via links, so may be relevant.

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

Measure the resistance between the IG relay terminals.

Fig 1: Measuring Resistance Between IG Relay Terminals

Courtesy of SUBARU OF AMERICA, INC.

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

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

Fig 2: Measuring Resistance Between IG Relay Terminals

Courtesy of SUBARU OF AMERICA, INC.

Terminal No.	Standard
1 and 2	Less than 1 Ω