New Beetle L5-2.5L (BPS) (2006)
If the specified value was Not obtained:
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Check the wiring for high resistance or an open circuit.
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Check the electrical harness connector for damage, corrosion, loose or broken terminals.
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If necessary, repair the faulty wiring connection.
If no malfunction is detected in the wiring or 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.
If the manufacturers test box is not being used, perform the following step.
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Remove the Motronic Engine Control Module (ECM) ( J220). Refer to the Repair Information.
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Using a multimeter, check the Leak Detection Pump (LDP) (-V144-) electrical connector terminal 1 to Motronic Engine Control Module (ECM)
(J220) electrical connector T121 terminal 80 for an open circuit or high resistance.
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Using a multimeter, check the Leak Detection Pump (LDP) (-V144-) electrical connector terminal 2 to Motronic Engine Control Module (ECM)
(J220) electrical connector T121 terminal 25 for an open circuit or high resistance.
Specified value: 1.5 ohms max.
If the specified value was Not obtained:
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Check the wiring for high resistance, a short circuit to Battery positive (+) or an open circuit.
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Check the electrical harness connector for damage, corrosion, loose or broken terminals.
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If necessary, repair the faulty wiring connection.
If no malfunction is found in wiring:
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Replace the Motronic Engine Control Module (ECM) (J220). Refer to the Repair Information.
Assembly is performed in the reverse order of the removal, note the following:
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Install the right rear wheel housing liner. Refer to the Repair Information.
Final procedures