TT Coupe L4-1.8L Turbo (AWP) (2005)
-
Connect hand-held multimeter (voltage measurement range) between contacts 2 and 3 of connector.
-
Operate the starter briefly. (The engine can be allowed to start.)
-
Specification: approx. battery voltage
NOTE: Contact 3 on the connector is for the Ground connection from the engine control module.
If the specification is not attained:
-
Test the wiring.
-
Connect hand-held multimeter (voltage measurement range) between contacts 3 and 4 of connector.
-
Specification: approx. 5 V
If the specification is not attained:
-
Test the wiring.
Testing wiring for mass air flow sensor
NOTE: The wiring test also tests the signal wire.
-
Connect test box VAG 1598/31 to wiring harness for engine control module. Do not connect to the engine control module itself.
-
Test for open circuit and short to positive or Ground in the following wiring connections:
Connector connect
Test box VAG1598/31
Terminal
Socket
3
27
4
53