A4 Sedan L4-1.8L Turbo (AWM) (2001)
Checking actuation
^
Connect voltage tester VAG 1527 B to contacts 1 (positive) and 2 of connector.
^
Initiate output Diagnostic Test Mode (DTM) and activate solenoid valve for camshaft adjuster.
Display
^
LED should flash.
If the LED lamp does not flash or if it lights up continuously:
^
Connect the VAG 1598/31 test box to wiring harness leading to engine control module (the engine control module should not be connected):
Check for open circuit and short to positive or Ground in the wiring connection:
^
If necessary, correct short circuit to Ground or open circuit.
If the wiring is OK
^
Replace engine control module.