TT Coupe L4-1.8L Turbo (ATC) (2001)
-
Connect voltage tester V.A.G 1527 B as follows:
Harness connector terminal
Measure to
2
B+
4
B+
-
LED must light.
If LED does not light:
-
Check the wire connections.
If LED lights:
Checking voltage supply
-
Connect multimeter for voltage measurement as follows:
Harness connector terminal
Measure to
1
Engine Ground (GND)
-
Turn ignition on.
-
Specified value: approx. battery voltage
If specified value is not obtained:
-
Check the wire connections.
If the specified value is met:
-
Check activation of the power output stage.
Checking activation of the power output stage
-
Remove connectors from all four fuel injectors.
NOTE: Fuel must not be injected in order to avoid damage to the catalytic converter. Therefore the connectors must be removed from the fuel injectors.
-
Remove 4-pin connector from the ignition coil.