audi Workshop Repair Guides

Audi Workshop Service and Repair Manuals

Air Injection Pump Relay > < Not Available For Manufacturer's Scan Tool|Page 5489
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Remove Secondary Air Injection (AIR) pump relay -1-.

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Check wire between terminal 2 of relay carrier and terminal 2 of 2-pin connector of Secondary Air Injection (AIR) Pump Motor for open circuit
according to wiring diagram.
Wire resistance: max: 1.5 Ohm

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Also check the wire for short circuit to B+ and Ground (GND).
Specified value: Infinite Ohm

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Check wire between 2-pin connector terminal 1 and Ground (GND) for open circuit according to wiring diagram.
Wire resistance: max: 1.5 Ohm

If no malfunctions are found in wires:

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Replace Motronic Engine Control Module (ECM) -J220-.

Air Injection Pump Relay > < Not Available For Manufacturer's Scan Tool|Page 5489