Audi A3 1997 - Page 29

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Indicated on display Desired function Fault remedy
Heated rear window -Z1 - The heating of the rear window is
switched on once for 10 seconds
The rear window is heated near the
heating wires.
- Check control and power intake of
heated rear window -Z1 =>Electrical
testing, Page 177
End
(only with an operating and display
unit -E87 with one display)
End of final control diagnosis
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 4 .
- Switch on printer by pressing PRINT key (lamp in key lights up).
-> Indicated on display (function selection):
Rapid data transfer HELP
Select function XX
- Press keys -0- and -3- (03 selects the "Final control diagnosis" function).
-> Display:
Rapid data transfer Q
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 Q
03 - Final control diagnosis
- Press Q to confirm entry.
Audi A3 1997 ➤
Heating, Air Conditioner - Edition 06.2000
5.1 - Final control diagnosis 23