Cabrio L4-2.0L (ABA) (1996)
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Connect VAG 1598/18 test box to ECM wiring harness.
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Check wiring between 3-pin connector and test box for open circuit according to wiring diagram.
Terminal 2 and test box socket 8
Resistance: max. 1.5 ohms
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Additionally check the wiring for short circuit to each other.
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Terminal 1 and test box socket 8
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Terminal 3 and test box socket 8
Specification: Infinite Ohms
If no wiring malfunction is detected and voltage was present between terminals 1 and 3:
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Replace ECM -J220-.
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Read the readiness code. If DTC memory has been erased, repair must be verified via appropriate display group: Readiness code, creating.
If the voltage supply and activation is OK.:
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Reconnect 3-pin harness connector and ignition wire to ignition coil.
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Connect LED voltage tester with test leads to terminals 1 and 15 on ignition coil.
CAUTION:: During the following test do not touch the terminals of the ignition coil or test cables.
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Operate starter.
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The LED must flicker
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If necessary, replace ignition coil power output stage.