A6 Quattro Sedan V6-2.7L Turbo (APB) (2000)
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Replace Secondary Air Injection (AIR) pump relay -J299-.
Check voltage supply of the Secondary Air Injection (AIR) pump motor
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Remove connector for Secondary Air Injection (AIR) pump motor -V101-.
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Connect VAG1527B voltage tester between terminals 1 and 2
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Initiate output Diagnostic Test Mode (DTM) and activate Secondary Air Injection (AIR) pump relay -J299-
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LED must blink.
If LED does not blink:
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Perform following tests marked with dots:
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Check wire connection from connector at Secondary Air Injection (AIR) pump motor -V101- to Secondary Air Injection (AIR) pump relay
-J299- (in 3-socket relay carrier in E-Box, plenum chamber, position 2) for open circuit.
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Check wire connection from connector at Secondary Air Injection (AIR) pump motor -V101- to Ground (GND) connection 1 in engine
compartment wiring harness for open circuit:
If no malfunctions are detected:
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Replace Secondary Air Injection (AIR) pump motor -V101-
