A4 Quattro Wagon L4-1.8L Turbo (ATW) (2000)
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Check wire connection from 3-socket relay carrier, position 2, terminal 6 to harness connector at ignition coil terminal 1.
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Check motronic Engine Control Module (ECM) power supply relay -J271-.
Checking activation of power output stages
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Remove all harness connectors to injectors.
NOTE: Fuel must not be injected during the test to avoid damaging catalytic converter. Connectors must therefore be disconnected from fuel injectors.
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Disconnect 4-pin harness connector -1- at ignition coil -2-.
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Connect VAG1527B voltage tester to connector terminals 2 and 3.
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Operate starter briefly.
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LED must blink (brief blink signal).
