TT Quattro Roadster L4-1.8L Turbo (AMU) (2002)
Harness connector
VAG1598/31 test box
Terminal
Socket
1 (signal)
108
3
93
Coolant temperature sensor with oval connector:
-
Check the following wire connections for open circuit and short circuit to Ground (GND) and B+:
Harness connector
VAG1598/31 test box
Terminal
Socket
3
93
4 (signal)
108
All models
-
Check both wires to each other for short circuit.
-
Repair open circuit or short circuit if necessary.
If no malfunctions are found in wires:
-
Replace Engine Control Module (ECM).