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Home >> Subaru >> 2012 >> Impreza WRX STI F4-2.5L DOHC Turbo >> Repair and Diagnosis >> Powertrain Management >> Emission Control Systems >> Air Injection >> Air Injection Pump >> Testing and Inspection
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Air Injection Pump: Testing and Inspection

Secondary Air Pump

INSPECTION

SECONDARY AIR PUMP

1. Check that the secondary air pump has no deformation, cracks or other damages.
2. Connect battery positive terminal to the terminal No. 2 and battery negative terminal to the terminal No. 1, and inspect the secondary air pump operation.

CAUTION: Do not operate the secondary air pump continuously for 80 seconds or more.






OTHER INSPECTIONS

Check that the air duct or resonator has no cracks, damage or loose part.
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