A4 Quattro Wagon L4-1.8L Turbo (ATW) (2000)
-
Connect VAG1527B voltage tester as follows:
Harness connector
Measure to Terminal
1
Chassis Ground (GND)
-
Switch ignition on.
-
LED must light up.
If LED does not light up:
-
Check wire connection from terminal 1 of connector to fuse for open circuit:
-
Repair open circuit if necessary.
If LED lights up:
-
Checking activation.
Checking activation
-
Connect VAG1598/31 test box at wiring harness to Engine Control Module (ECM) do not connect ECM. Refer to "Scan Tool Testing/Wiring and
Component Testing Using VAG1598/31 Test Box", See: Powertrain Management/Computers and Control Systems/Testing and Inspection
-
Check following wire connection for open circuit and short circuit to Ground (GND) and B+:
Harness connector
VAG1598/31 test box
Terminal
Socket
2
39
-
Repair open circuit or short circuit if necessary.