Subaru 2009 IMPREZA Service Manual page 1036

EMISSION CONTROL (AUX. EMISSION CONTROL DEVICES)
15.Secondary Air Pump
A: REMOVAL
1) Disconnect the ground cable from battery.
2) Disconnect the connector (A) and air duct (B)
from secondary air pump.
3) Remove the clip (A) which holds the harness on
the harness stay and remove the bolt (B) which
holds the secondary air pump on the vehicle.
(B)
Secondary Air Pump
IN-00203
(A)
(B)
EC-02193
(A)
EC-02419
EC(H4DOTC)-24
B: INSTALLATION
Install in the reverse order of removal.
Tightening torque:
19 N·m (1.9 kgf-m, 14.0 ft-lb)
C: INSPECTION
1. SECONDARY AIR PUMP
1) Disconnect the ground cable from battery.
2) Remove the secondary air pump. <Ref. to
EC(H4DOTC)-24, REMOVAL,
Pump.>
3) Connect terminal No. 2 to the battery positive
terminal and terminal No. 1 to the battery negative
terminal, and inspect the secondary air pump oper-
ation.
CAUTION:
Do not operate the secondary air pump contin-
uously for 80 seconds or more.
2. OTHER INSPECTIONS
Make sure the air duct is not cracked or loose.
EC-02268
IN-00203
Secondary
2 1
EC-02427
Air