A4 Cabriolet L4-1.8L Turbo (AMB) (2005)
-
Connect multimeter for voltage measurement as follows:
Harness connector
Measure to
Terminal
2
Engine Ground (GND)
-
Switch ignition on.
Specified value: approx. battery voltage
-
Switch ignition off.
Checking Ground (GND) wire
-
Connect multimeter for voltage measurement as follows:
Harness connector
Measure to
Terminal
3
B+
Specified value: about 10 V
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 test box to wiring harness of Engine Control Module (ECM) ECM is not connected.. See: Computers and Control Systems/Testing and
Inspection/Scan Tool Testing and Procedures/Scan Tool Testing/With Generic Scan Tool/Scan Tool Connecting/Test Box, Connecting For
Wiring and Component Test