TT Quattro Coupe L4-1.8L Turbo (AWP) (2001)
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The fuel pump relay should pick up. (Relay is located in relay position 4 in micro central electrics on left of driver's footwell).
If the relay picks up now but not during the output diagnostic test mode:
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Install a new engine control module.
If the relay does not pick up:
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Switch off ignition.
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Disconnect cable bridge.
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Disconnect fuel pump relay.
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Connect multimeter (voltage measurement range) as follows:
Central electrics on left of
Measure against
driver's footwell, relay position 4
Contact
19
Engine Ground
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Switch on ignition.
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Specification: approx. battery voltage
If the specification is not obtained:
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Check the wiring.
If the specification is obtained:
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Test for open circuit and short to positive or Ground in the following wiring connection:
Central electrics on left of
Test box VAG 1598/31
driver's footwell, relay
Contact
Socket
6
65
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Correct any open/short circuit as necessary.
If no malfunction is found:
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Install a new fuel pump (FP) relay -J17-.
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Reconnect the engine control module.