Camshaft Adjustment (exhaust), Checking Audi A4 B6

Indicated on display of VAS 5051

Scheme 332

1 - Enter display group

max. input value = 255

1. Select function "090" in button field -2- for "display group number 090" and press Q button to confirm input.

Scheme 333

Indicated on display of VAS 5051

Test requirement

1. Engine running at idle.

Scheme 334

Scheme 335

1. Check specified values in display fields -2-, -3- and -4-.
2. Perform a road test.
3. Accelerate vehicle in 3rd gear at full throttle from 2000 RPM.
4. Check specified values in display fields -2-, -3- and -4-. see scheme 349 NOTE: For exhaust camshaft adjustment values, see «SOLENOID VALVE FOR CAMSHAFT ADJUSTMENT, CHECKING»(ref-197058-S08942079552005101100000).

Note. If display field indicates a value between 3.0° crankshaft rotation and 19.0° crankshaft rotation during a road test, the electrical valve for camshaft adjustment is correctly switching the oil pressure to mechanical camshaft adjuster, but the mechanical camshaft adjuster cannot reach its end position (e.g. due to difficulty of movement).