buttons AUDI A6 1999 C5 / 2.G AHA Engine Camshaft Adjustment System Checking Workshop Manual

28-30

Camshaft adjustment function, checking


- Connect VAG1551/1552 Scan Tool (ST) and
press buttons -0- and -1- to insert "Engine
Electronics" address word 01 (engine running at
idle) page 01
-8 .
Rapid data transfer
HELP
Select function XX

Indicated on display
- Press buttons -0- and -8- to select "Read Measuring Value Block"
function 08, and press -Q- button to confirm input.
Read Measurin
g Value Block
HELP
Input displa
y group number XXX

Indicated on display
- Press buttons -0-, -9- and -0- to input display group number 90 (090),
and press -Q- button to confirm input.
Read Measuring Value Block 90 1 2 3 4

Indicated on display (1-4 display groups)
Notes:
Display field 2 indicates whether the engine control module has activated
the camshaft adjustment.
Display fields 3 and 4 show whether the camshaft adjustment did actually
occur (via input from sensors):
"CS-ctrlOFF:" camshaft adjustment is not active."CS-ctrlON:" camshaft adjustment is active (this can only be attained
during a test drive)
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--- If the specified values are not attained, check solenoid valves for camshaft adjustment
page 28
-33
.
If specified values are attained:

-
Press button.
- Press buttons -0- and -6- to select "End Output"
function 06, and press -Q- button to confirm
input.
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28-33

Valves for camshaft adjustment,
checking


Note:
Installation location page 24
-1

- Connect VAG1551/1552 Scan Tool (ST) and
press buttons -0- and -1- to insert "Engine
Electronics" address word 01 (with engine
running at idle) page 01
-8 .
Rapid data transfer
HELP
Select function XX

Indicated on display
- Press buttons -0- and -3- to select "Output Diagnostic Test Mode"
function 03.
Rapid data transfer
Q
03 - Output Diagnostic Test Mode

Indicated on display
- Press -Q- button to confirm input.
Output Diagnostic Test Mode Camshaft adjustment 1

Indicated on display
If the valves do not click: - Check using output DTM and activate camshaft adjustment page
01
-51
.
Valves 1 and 2 for camshaft adjustment, -N205- and -N208-, must click
audibly.
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11/23/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
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e=re
pair&id=AUDI.B5.FU03.28.2