ESP AUDI A6 1997 C5 / 2.G AHA Engine Camshaft Adjustment System Checking Workshop Manual
Page 4 of 12
28-31
Note:
If, during the test drive, display field 3 and/or 4
displays a value between 6.0 KW and 16.0
KW, the electrical valves for camshaft adjustment
have switched the oil pressure to the respective
mechanical camshaft adjuster, but it cannot
attain the correct end position (e.g. due to
sluggishness).
WARNING!
A second technician is required to operate
the VAG1551 scan tool during the road test.
Safety precautions page 24
-9 .
- Accelerate from rest in 1st gear (manual) or with
selector lever in "2" position (automatic).
- Check specified values for camshaft adjustment
(display fields 2-4)
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Page 5 of 12
28-32
Display fields
1 2 3 4
Display group 90: Camshaft adjustment
Display xxx RPM CS-ctrlOFF
CS-ctrlON x,x KW
x,x KW
Indicates Engine speed
(in 40 RPM
steps) Camshaft adjustment
off/on Response of camshaft
adjustment Bank 1 Response of camshaft
adjustment Bank 2
Work range 1000 - 5000
RPM ---
-3.0 to 25.0 KW
-3.0 to 25.0 KW
Specified
Value 620 - 740
RPM
(all-wheel
drive)
or
740 - 860
RPM
(front-wheel
drive) CS-ctrlOFF
-3.0 to 6.0 KW
(normal position)
-3.0 to 6.0 KW
(normal position)
....RPM (test
drive) CS-ctrlON
16.0 to 25.0 KW
(shifted position)
16.0 to 25.0 KW
(shifted position)
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Page 12 of 12
28-37
If LED stays lit constantly:
If the wiring is OK:
If no malfunction has been found in any of the previous tests:
Repair Manual, 2.8 Liter V6 5V Engine Mechanical, Repair Group 15. - Check wiring between valve connector terminal 2 and ECM/test box
terminal 55 for short circuit to Ground.
Specified value: max. 1 .- Replace Motronic ECM -J220- page 01
-68
.
- Carry out adaptation of throttle valve control module to ECM page
24
-150
.
- Check readiness code page 01
-70
. If Diagnostic Trouble Code
(DTC) memory has been erased, or ECM was disconnected, generate
new readiness code page 01
-73
.
- Replace respective mechanical camshaft adjuster.
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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