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◆ The actuation time at terminal 58d is governed by the illumination control setting and the brightness level
determined by the photosensor in the dash panel insert.
Select measuring range on hand-held multimeter V.A.G 1526:
Voltage measurement (20V =)
- Adapter cable V.A.G 1598/11 connected
Test step V.A.G 1598
socket
Testing of ▪ Test conditions
- Additional opera‐
tions
Specified value Remedies if specified
value not attained
1.7 11 and
earth
Terminal 58s on -
E87
▪ Ignition on.
▪ Side lights switched
on.
- 0 to 12 V - Use current flow di‐
agram to locate and
eliminate open circuit
or short circuit
1.8 11 and
earth
Terminal 58s on -
E87
▪ Ignition on.
▪ Side lights off
- approx. 0 V. - Use the current flow
diagram to locate and
rectify short to posi‐
tive
Notes:
◆ Earth applied e.g. to connector D contact 14.
◆ The brightness of the display of the -E87 is controlled via terminal 58s.
◆ The voltage at terminal 58s is governed by the setting of the illumination control.
Voltage tester V.A.G 1527,
- Adapter cable V.A.G 1598/11 connected
Test step V.A.G 1598
socket
Testing of ▪ Test conditions
- Additional opera‐
tions
Specified value Remedies if speci‐
fied value not at‐
tained
1.9 12
and earth
Signal for ignition
off time
▪ Ignition on. - the LED illuminates
in voltage tester
- Use current flow di‐
agram to locate and
eliminate open cir‐
cuit or short circuit
1.10 12
and earth
Signal for ignition
off time
▪ Ignition on.
Start engine.
- the LED illuminates
in voltage tester
when the engine is
started, the LED in
the voltage tester
flickers briefly (time
signal) and remains
illuminated
- Use current flow di‐
agram to locate and
eliminate open cir‐
cuit or short circuit
Check dash panel in‐
sert
Note:
Earth applied e.g. to connector D contact 14.
Audi A3 1997 ➤
Heating, Air Conditioner - Edition 06.2000
62 01 - Self-diagnosis, Electrical check
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