TT Quattro Coupe L4-1.8L Turbo (AWP) (2001)
If specified value is obtained:
Checking voltage supply
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Connect VAG 1527B voltage tester as follows:
Harness connector terminal
Measure to
1
Chassis Ground
-
Switch ignition on.
-
LED must light.
If LED does not light:
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Check wire connection from terminal 1 of connector to Fuel Pump (FP) relay via fuse for open circuit and short circuit to Ground:
If LED lights:
Checking activation
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Connect VAG 1598/31 test box at wiring harness to ECM, do not connect ECM.
-
Check the following wire connection for open circuit and short circuit to Ground and B+:
Harness connector terminal
VAG 1598/31 test box socket
2
39
-
Repair open circuit or short circuit if necessary.