Eos (1F7) V6-3.2L (BUB) (2008)
If the manufacturers test box is being used. Perform the following step.
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Install the Test Box 105 Pin (VAG1598/31).
If the manufacturers test box is not being used. Perform the following step.
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Remove the Engine Control Module (ECM) (J623). Refer to => [ Engine Control Module J623, Replacing ] See: Computers and Control
Systems/Engine Control Module/Service and Repair/Engine Control Module J623, Replacing.
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Using a Multimeter, check the Leak Detection Pump (LDP) (V144)electrical harness connector terminal 3 to the Engine Control Module (ECM)
Power Supply Relay (J271) terminal 2/87 for an open circuit according to wiring diagram.
Specified value: Wire resistance 1.5 ohms.
If the specification was not obtained:
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Check the wiring for a short circuit to Battery positive (+) or an open circuit.
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Check the electrical harness connector for damage, corrosion, lose or broken terminals.
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If necessary, repair the faulty wiring connection.
If no malfunction is detected in the wiring and if the voltage supply is OK:
Checking output wiring
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Using a Multimeter, check the Leak Detection Pump (LDP) (V144) electrical connector terminals to Engine Control Module (ECM) (J623)
electrical connector T121 for an open circuit.