A4 Quattro Wagon L4-1.8L Turbo (ATW) (2000)
Terminal
2
Engine Ground (GND)
-
Switch ignition on.
-
Specification: approx. battery voltage
Checking Ground (GND) wire
-
Check following wire connection for open circuit and short circuit to B+
Harness connector
Measure to
Terminal
3
B+
-
Repair open circuit or short circuit if necessary.
If all specified values are being reached and the LED does not blink (measured between terminal 1 and 2 with starter and connector connected):
-
Replace Camshaft Position (CMP) sensor.
If specified values are not obtained:
Checking wire connections between Camshaft Position (CMP) sensor and Engine Control Module (ECM)
-
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: Computers and Control Systems/Testing and Inspection
-
Check following wire connections for open circuit and short circuit to Ground (GND) and B+:
Harness connector
VAG1598/31 test box
Terminal
Socket
1 (B+)
98
2 (signal)
86