Touareg V8-4.2L (BHX) (2004)
Observe Clean Working Conditions.
Check function and voltage supply of fuel pumps.
Check delivery quantity, current pick-up, and check valves of Fuel Pumps (FP).
Checking function and voltage supply of fuel pumps
Special tools, testers and auxiliary items required
‹› Multimeter (VAG1526) or multimeter (VAG1715)
‹› Connector test kit (VAG1594)
‹› Wiring diagram
Test sequence, Fuel Pump (FP) (G6), right
Test sequence, Transfer Fuel Pump (FP) (G23), left
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Remove Fuel Pump (FP) Relay (J17), right, from relay carrier, position C20.
‹› Do not use metallic tools to pry off relays from relay carrier. The terminals could conduct electricity.
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Bridge terminals 19d + 19e on relay carrier using appropriate adapter cables.
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Switch ignition on.
Fuel Pump (FP) (G6), right, must start up.
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Switch ignition off.
If Fuel Pump (FP) runs:
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Check activation of Fuel Pump (FP) Relay (J17), right, - 1 - according to wiring diagram: