Audi A3 1997 - Test in Vehicles with an Operating and Display Unit with Two Displays

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earthing point on the vehicle body or to use a second V.A.G 1598 test box (when the adapter cable 1598/12
is connected, sockets 15 is earthed).
-E87 with two displays at socket 15.
-E87 with one display at socket 14.
=> Current Flow Diagrams, Electrical Fault-Finding and Fitting Locations
◆ The connector A is not present in operating and display units -E87 with one display.
Connector A V.A.G 1598
Socket
Connector B V.A.G 1598
Socket
Connector C V.A.G 1598
Socket
1 41 1 21 1 1
2 42 2 22 2 2
3 43 3 23 3 3
4 44 4 24 4 4
5 45 5 25 5 5
6 46 6 26 6 6
7 47 7 27 7 7
8 48 8 28 8 8
9 49 9 29 9 9
10 50 10 30 10 10
11 51 11 31 11 11
12 52 12 32 12 12
(cont.)
▼
(cont.)
▼
Connector A V.A.G 1598
Socket
Connector B V.A.G 1598
Socket
Connector C V.A.G 1598
Socket
13 33 13 13
14 34 14 14
15 35 15 15
16 36 16 16
17 37
18 38
19 39
20 40
10.3 - Test in vehicles with an operating and display unit with two displays
List of envisaged electrical checks (at operating and display unit -E87)
Test step Component tested Page
1 - Power supply, earth connection and illumination of operating and display unit -E87.
Signal for ignition off time
49
2 - Temperature sensors/senders (-G17, -G89, -G191, -G151, -G192). 51
3 - Fresh air blower with corresponding control unit (-V2, -J126). 53
4 - Positioning motors for air conditioner and corresponding potentiometers
(-V68/-G92, -V70/-G112, -V71/-G113, -V85/-G114).
54
Audi A3 1997 ➤
Heating, Air Conditioner - Edition 06.2000
48 01 - Self-diagnosis, Electrical check