TT Coupe L4-1.8L Turbo (AWP) (2005)
-
Install a new engine control module.
If the relay does not pick up:
-
Switch off ignition.
-
Disconnect cable bridge.
-
Disconnect fuel pump relay.
-
Connect multimeter (voltage measurement range) as follows:
Central electrics on left of
Measure against
driver's footwell, position 4
Contact
19
Engine Ground
-
Switch on ignition.
-
Specification: approx. battery voltage
If the specification is not obtained:
-
Check the wiring.
If the specification is obtained:
-
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
Socket
position 4 Contact
16
65
-
Correct any open/short circuit as necessary.
If no malfunction is found:
-
Install a new fuel pump (FP) relay -J17-.
-
Reconnect the engine control module.
Testing voltage supply to fuel pump and other components
-
Remove fuse Nos. S228, S232, S234 and S243 (sockets 28, 32, 34 and 43) from fuse holder.
-
Start output diagnostic test mode, See: Computers and Control Systems/Testing and Inspection/Scan Tool Testing and Procedures/Output
Diagnostic Test Mode (Function 03) and activate evaporative emission (EVAP) canister purge -N80-.
-
For each of the following fuse positions in the fuse holder, connect the multimeter (voltage measurement range) between Ground and one of the