Subaru 2009 IMPREZA Service Manual page 1040

EMISSION CONTROL (AUX. EMISSION CONTROL DEVICES)
2. SECONDARY AIR COMBINATION
VALVE RH
1) Measure the resistance between the terminals of
secondary air combination valve RH.
Terminal No.
4 and 6
2 and 3
1 and 2
2) Check that air does not come out of (B) when
blowing in (A).
(A)
Secondary Air Combination Valve
3 2 1
6 5 4
EC-02429
Standard
5.0 0.5 (20°C (68°F))
15 k or less
4.5 k or less
(B)
EC-02436
EC(H4DOTC)-28
3) Connect the terminal No. 6 to the battery positive
terminal and the terminal No. 4 to the battery neg-
ative terminal. When supplying air to (A), check that
air is discharged from (B).
3
6 5 4
(A)
3. OTHER INSPECTIONS
Check the air duct and pipe for looseness.
2 1
(B)
EC-02437