Check Switching Valve

Check the resistance between switching valve terminals.

Fig 1: Checking Resistance Between Switching Valve Terminals 1 And 5

Courtesy of SUBARU OF AMERICA, INC.

Terminal No.	Standard
1 and 5	27⁺³_-2 Ω (when 20°C (68°F))
1 and 5	31±4 Ω (60°C (140°F))

Check that air does not come out from (B) when air is blown into (A).

Fig 2: Identifying Air Does Not Come Out From Leak Check Valve Port B (When Air Blown Into Port A)
Courtesy of SUBARU OF AMERICA, INC.
Connect the battery positive terminal to the terminal No. 5 and the battery negative terminal to the terminal No. 1. Check that air is discharged from (B), when supplying air to (A).

Fig 3: Checking Air Comes Out From Leak Check Valve Port B (When Air Blown Into Port A)
Courtesy of SUBARU OF AMERICA, INC.