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HOMESERVICE MANUALSVOLKSWAGEN2013BEETLE BASE, 2D HATCHBACK, 2.5L ENG VIN X, AUTOMATIC TRANSREPAIR AND DIAGNOSISENGINE PERFORMANCESYSTEM2.5L - GENERIC SCAN TOOL - ENGINE CODE(S): CBTA & CBUA (HATCHBACK)ST GENERIC SCAN TOOLDIAGNOSIS AND TESTINGDIAGNOSTIC PROCEDURESLEAK DETECTION PUMP, CHECKINGTEST PROCEDURE
2013 Volkswagen Beetle Base, 2D Hatchback, 2.5L Eng VIN X, Automatic Trans

Test Procedure

2013 Volkswagen Beetle Base, 2D Hatchback, 2.5L Eng VIN X, Automatic TransSECTION Test Procedure

-- Perform a preliminary check to verify the customers complaint. Refer to PRELIMINARY CHECK 

Start diagnosis

-- Remove the right rear wheel housing liner. Refer to the Repair Information.

--

-- Disconnect the Leak Detection Pump (LDP) -V144- electrical harness connector.

Checking internal resistance

-- Using a multimeter, check the Leak Detection Pump (LDP) -V144- for resistance as follows:

Leak Detection Pump (LDP) -V144- Electrical Connector Terminals Specified Values
1 to 2 134 to 153 Ω
1 to 3 134 to 153 Ω
1 to 4 99 to 118 Ω

If any of the specified values were Not obtained:

-- Replace the Leak Detection Pump (LDP) --V144--. Refer to the Repair Information.

If the specified values were obtained:

Checking voltage supply

NOTE: The voltage for the Leak Detection Pump (LDP) --V144-- is supplied via the Fuel Pump Relay (J17).

-- Using a multimeter, check the Leak Detection Pump (LDP) --V144-- electrical harness connector terminal 4 for voltage. Connect the negative lead to engine ground.

-- Start the engine.

Specified value: Battery voltage.

-- Switch the ignition Off.

If the specified value was Not obtained:

-- Using a multimeter, check the Leak Detection Pump (LDP) --V144-- wiring from terminal 4 to the J17 Fuel Pump Relay. Refer to appropriate Wiring Diagrams for pin locations.

Specified value: 1.0 Ω max.

If the specified value was Not obtained:

-- Check the wiring for high resistance, short to ground or an open circuit.

-- Check the electrical harness connector for damage, corrosion, loose or broken terminals.

-- If necessary, repair the faulty wiring connection.

If the specified voltage was obtained:

RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.