TT Quattro Coupe V6-3.2L (CBRA) (2008)
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Air Injection Pump: Testing and Inspection
Secondary Air Injection Pump Motor, Checking
Special tools, testers and auxiliary items required
‹› Multimeter.
‹› Wiring diagram.
Test requirements
‹› Secondary Air Injection (AIR) Pump Relay (J299) OK.
‹› 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
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Perform a preliminary check to verify the customers complaint. Refer to => See: Computers and Control Systems/Testing and Inspection/Scan
Tool Testing and Procedures/Diagnostic Mode 09 - Read Vehicle Information.
Start diagnosis
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Disconnect the secondary air injection hose - arrow -.
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Remove the center noise insulation fasteners - 1, 2, 3, 4 - and the center noise insulation panel.