A4 Quattro Cabriolet V6-3.2L (BKH) (2007)
Specified value: 1.5 Ohms
If the specified value was not obtained:
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Check the wiring for a short circuit to Ground (GND) 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 was OK:
Checking wiring
If the manufacturers test box is being used. Perform the following step.
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Install the test box. Refer to Fuel Injection and Ignition Repair Information.
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 => [ ECM, Removing and Installing ] See: Computers and Control Systems/Engine
Control Module/Service and Repair/ECM, Removing and Installing.
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Using a Multimeter, check the Leak Detection Pump (LDP) (-V144-) electrical connector terminal 1 to Engine Control Module (ECM) (J623)
electrical connector T94 terminal 20 for an open circuit.
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Using a Multimeter, check the Leak Detection Pump (LDP) (-V144-) electrical connector terminal 2 to Engine Control Module (ECM) (J623)
electrical connector T94 terminal 24 for an open circuit.