28-6
Read Measuring Value Block 20 1 2 3 4
Indicated on display (1-4 display groups)
Note:
The test must be carried out during a road test because the knock sensor
system is only active as of a certain engine speed.
WARNING!
A second technician is required to operate the VAG 1551 scan tool
during the road test. - Road test car and compare display with specified values for knock
sensor system in display field 1-4.
Display groups
1 2 3 4
Display group 20: Knock sensor system
Display
xx.x
xx.x
xx.x
xx.x
Indicates Timing correction,
cylinder 1 Timing correction,
cylinder 2 Timing correction
cylinder 3 Timing correction,
cylinder 4
Range
0.0 -15.0
(crankshaft)
0.0 -15.0
(crankshaft)
0.0 -15.0
(crankshaft)
0.0 -15.0
(crankshaft)
Specified value
0.0 -10.0
(crankshaft)
0.0 -10.0
(crankshaft)
0.0 -10.0
(crankshaft)
0.0 -10.0
(crankshaft)
Pa
ge 7 of 22 Technical data, s
park
plugs
11/19/2002 htt
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pair&id=AUDI.B5.FU02.28.1
