R8 Quattro Coupe V10-5.2L (BUJ) (2010)
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 -.