R8 Quattro Coupe V10-5.2L (BUJ) (2010)
Air Injection Pump: Testing and Inspection
Secondary Air Injection Pump Motor 2, Checking
Secondary Air Injection Pump Motor 2, Checking
Special tools, testers and auxiliary items required
‹› Multimeter.
‹› Wiring diagram.
Test requirements
‹› The Secondary Air Injection (AIR) Pump Relay 2 (J545) OK.
‹› The Motronic Engine Control Module (ECM) Power Supply Relay (J271) OK.
‹› 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.
Test Procedure
-
Perform a preliminary check to verify the customers complaint. Refer to => [ Preliminary Check ] See: Computers and Control Systems/Testing
and Inspection/Scan Tool Testing and Procedures/Preliminary Check
-
Raise the vehicle.
-
Loosen the quick release fasteners - 1 - and - 2 - and remove the noise insulation panel.
-
Disconnect the Secondary Air Injection (AIR) Pump Motor 2 (V189) electrical harness connector - 1 -.