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Home >> Volkswagen >> 2012 >> Passat TDI SE, Standard Trans >> Repair and Diagnosis >> Engine Performance >> System >> 2.0L - Generic Scan Tool - Engine Code: CKRA >> St Generic Scan Tool >> Diagnosis And Testing >> Diagnostic Procedures >> Fuel Transfer Pump And Fuel Pump Relay, Checking >> Test Procedure
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Test Procedure

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

Start diagnosis

Make sure the engine is at room temperature.

-- Disconnect the Fuel Pump Relay -J17- electrical harness connector. Refer to applicable wiring diagram for proper relay location.

-- Switch the ignition ON.

-- Using a Multimeter, Check the Fuel Pump Relay -J17- electrical harness connector terminals 1 and 3 to Engine ground for voltage.

Specified value: Battery Voltage

-- Switch the ignition Off.

Continue test according to the following table:

Value Cause Test
If the specified value was not obtained: Open or shorted circuit Checking Wiring 
If the specified value was obtained: Check reference signal circuit Checking Activation 
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