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Audi A4 1996-2001, S4 2000-2002 (B5) 1999 Audi A4 Q 2.8L Secondary Air Injection Problem Wiring trace down


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coolhand

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Registered: 09/12/08
1999 Audi A4 Q 2.8L Secondary Air Injection Problem Wiring trace down
Posted: Oct 22, 2013 4:44 PM
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Working on a open circuit problem and need to know if anyone would have a PDF wiring diagram for the Secondary air injection system on this model A4. I have the bentley CD's but the software works with nothing I currently own. Made for XP and I have 7 and 8.

I need to know if the blue wire off the relay block is fused. This is where the open is as it should have continuity. When I plugged the relay back in it threw the P1433 Open circuit code for the relay.

My ECM box only houses the relay and there are no fuses in this box with the relay like is showing in a partial print out I have from an online source.

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