Audi A3 1997 Manual page 29

Indicated on display
Heated rear window -Z1
End
(only with an operating and display
unit -E87 with one display)
1) Depending upon the vehicle equipment, when the rear window heating is switched on, a positive signal
is applied to this output (switch off heated rear window for the test).
=> Current Flow Diagrams, Electrical Fault-Finding and Fitting Locations
Starting the "idling speed control" final control diagnosis.
- Switch off ignition.
- Remove engine control unit and connect test box V.A.G 1598 adapter cable to engine control unit connector
(do not connect engine control unit to test box).
=> Relevant Workshop Manual Injection and Ignition system; Repair group 01
Note:
◆ Pin assignment on connector to engine control unit
=> Current Flow Diagrams, Electrical Fault-Finding and Fitting Locations
=> Relevant Workshop ManualInjection and Ignition system; Repair group 01
- Switch ignition on.
- Switch off rear window heating.
- Connect fault reader V.A.G 1551,
Enter address word 08 "Electronic climate/heating control" and advance the program until "Select function
XX" appears on display => Page
- Switch on printer by pressing PRINT key (lamp in key lights up).
-> Indicated on display (function selection):
Rapid data transfer
Select function XX
- Press keys -0- and -3- (03 selects the "Final control diagnosis" function).
-> Display:
Rapid data transfer
03 - Final control diagnosis
- Press Q to confirm entry.
-> Indicated on display:
Function unknown or cannot be
implemented at present.
- Press ⇒key.
- Press keys -0- and -3- again.
-> Display:
Rapid data transfer
03 - Final control diagnosis
- Press Q to confirm entry.
Desired function
- The heating of the rear window is
switched on once for 10 seconds
The rear window is heated near the
heating wires.
End of final control diagnosis
4 .
HELP
Q
Q
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permitted unless authorised by AUDI AG. AUDI AG does not guarantee or accept any liability
with respect to the correctness of information in this document. Copyright by AUDI AG.
Heating, Air Conditioner - Edition 06.2000
- Check control and power intake of
heated rear window -Z1 =>Electrical
testing, Page
Audi A3 1997 ➤
Fault remedy
177
5.1 - Final control diagnosis
23