audi Workshop Repair Guides

Audi Workshop Service and Repair Manuals

Camshaft Adjustment Solenoid Valves, Checking|Page 3087 > < Camshaft Adjustment Solenoid Valves, Checking|Page 3085
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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.

Camshaft Adjustment Solenoid Valves, Checking|Page 3087 > < Camshaft Adjustment Solenoid Valves, Checking|Page 3085