audi Workshop Repair Guides

Audi Workshop Service and Repair Manuals

Secondary Air Injection Sensor 1, Checking|Page 3524 > < Air Injection Pressure Sensor/Switch|Locations
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Air Injection Pressure Sensor/Switch: Testing and Inspection
Secondary Air Injection Sensor 1, Checking

Secondary Air Injection Sensor 1, Checking

Special tools, testers and auxiliary items required

‹› Multimeter.

‹› Wiring diagram.

Test requirements

‹›  The Engine Control Module (ECM) (J623) fuses OK.

‹› The battery voltage at least 12.5 V.

‹› All electrical consumers switched off (radiator fan must NOT run during test).

‹› A/C switched off.

‹› The ignition switched off.

Procedure

Checking voltage

-

Disconnect the Secondary Air Injection Sensor 1 (G609) electrical harness connector - 17 -.

Secondary Air Injection Sensor 1, Checking|Page 3524 > < Air Injection Pressure Sensor/Switch|Locations