engine coolant AUDI A6 1999 C5 / 2.G ATQ Engine Readiness Code Workshop Manual

01-82

Readiness code, generating


Special Tools and Equipment

Requirements
Note:
If, during a work step, the test result is indicated as "OK" immediately after
selecting a display group, the test has already been carried out and it is
OK to continue on to the next work step.
VAG1788/10 RPM adjusterElectrical consumers switched off (radiator fan must NOT run during
test). A/C system switched on. Vehicles with automatic transmission Selector lever in P or N. Coolant temperature at least 80 C Display group 4, display field
3. Important: Drive engine warm via road test if possible.
Pa
ge 8 of 47 Readiness code
11/23/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU05.01.7

01-108

Work step 12: Diagnostic of tank seal

Test requirements

Engine running at idle:
Intake Air Temperature (IAT) less than 95
C display group 004, display field 4.

Coolant temperature at least 80 C
Display group 4, display field 3

Fuel filler cap opened briefly (to reduce
pressure).
Basic Settin
g
Q
Input displa
y group number XXX

When indicated on display:
- Press buttons -0-, -7- and -1- to select "display group number 071" and
press -Q- button to confirm input.
System in Basic Setting 71
1
2
3
4

When indicated on display:
Notes:
Test lasts approx. 90 seconds.When the diagnostic of tank seal is performed several times in a row,
the fuel filler cap must be opened briefly before each test to release
pressure.
Pa
ge 42 of 47 Readiness code11/23/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU05.01.7