A4 Sedan L4-1.8L Turbo (AEB) (1997)
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Check fuse S234 (in fuse holder, position 34).
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Check wire connection from Secondary Air Injection (AIR) pump relay -J299- (in 3-socket relay carrier in E-box, plenum chamber) via fuse S234
(in fuse holder, position 34) to Fuel Pump (FP) relay for open circuit:
Refer to Electrical Wiring Diagrams, Troubleshooting & Component Locations
Checking activation of the Secondary Air Injection (AIR) pump relay
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Switch ignition off.
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Remove Secondary Air Injection (AIR) pump relay.
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Connect VAG1527B voltage tester as follows:
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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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Switch ignition off.
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Connect VAG1598/31 test box at wiring harness to ECK do not connect ECM.
