coolant AUDI A8 1997 D2 / 1.G AHA Engine Readiness Code Workshop Manual

01-73

Readiness code, generating


Required special tools and test equipment

VAG1551 Scan Tool (ST) with VAG1551/3
adapter cable

Test requirements
No malfunctions stored in DTC memory
Engine not stopped (ignition not switched off)
during the test
Vehicle not moving
All electrical consumers switched off (coolant
fan must not run during test)

Test sequence

- Connect VAG1551/VAG1552 Scan Tool (ST)
and press buttons -0- and -1- to insert "Engine
Electronics" address word 01 (with ignition
switched on) page 01
-8 .
Pa
ge 5 of 29 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.FU03.01.2

01-91


Display fields

1 2 3 4
Display group 77: Secondary air injection system diagnosis
Display xx.x % xx. x %
xx.x C
Test OFF/Test
ON
Syst. OK/
Syst. n.OK
Indicated O2S control deviation during
diagnostics
Bank 1 O2S control deviation during
diagnostics
Bank 2 Coolant
temperature Diagnostic
status
Diagnostic
result
Range --- --- -46.5 to +141.5
C
---
Specified
value --- --- greater than 70.0
C
Syst. OK
If "Syst. n. OK" is indicated in display field 4:

- Check DTC memory page 01
-16
.
If the specified value "Syst. OK" is indicated in
display field 4:

-
Press button.
Pa
ge 28 of 29 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.FU03.01.2