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Home >> Volkswagen >> 2016 >> Tiguan R-Line, AWD >> Repair and Diagnosis >> Engine Mechanical >> Fuel System >> 2.0L - Fuel Supply - Engine Code: CCTA >> 20 Fuel Supply >> Diagnosis And Testing >> Fuel Pump, Checking >> Current Draw, Checking
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Current Draw, Checking

-- Remove the rear seat bench, refer to "Rear Seats" in REMOVAL AND INSTALLATION .

-- Remove the cover that is on the right side of the fuel delivery Unit, when viewed in the direction of travel.

-- First, pull on the 5 pin connector -1- without pressing the release to make sure it is connected securely. If the connector was not connected correctly, it could cause a fault.

Fig 1: Identifying Connectors
GWWN20-10438Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Disconnect the connector -1-.

-- Check the contacts on the connector and the fuel delivery Unit for damage.

-- Install the Vehicle Diagnostic Tester - Test Adapter - 5 Pin VAS 5565 between the connectors on the fuel delivery Unit and cover.

Fig 2: Connecting Current Clamp To Red Wire On Test Instrument Adapter/DSO (5-Pin) VAS 5565
GWWN20-10424Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Connect the current clamp -A- to the red wire of the Vehicle Diagnostic Tester - Test Adapter - 5 Pin VAS 5565 with the words "current clamp" on it.

-- Start the engine and run at idle speed.

-- Measure the current draw of the fuel pump.

NOTE:

The fuel pump starting current may be higher than the specified value briefly when starting the engine.

If malfunction in fuel system is sporadic, test can also be performed during a road test, but a second person is required.

If the Current Draw Is Exceeded 

-- Replace the fuel delivery Unit, the fuel pump is faulty, refer to FUEL DELIVERY UNIT -GX1- .

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