Impreza GT F4-2.5L Turbo (2009)
Air Injection Pump: Testing and Inspection
Secondary Air Pump
INSPECTION
1. SECONDARY AIR PUMP
1. Disconnect the ground cable from battery.
2. Remove the secondary air 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
operation.
CAUTION: Do not operate the secondary air pump continuously for 80 seconds or more.
2. OTHER INSPECTIONS
Make sure the air duct is not cracked or loose.
