Attachment of “battery positive wire” to alternator
Special tools and workshop equipment required
◆
Torque wrench (5…50 Nm) -V.A.G 1331-
Note
The threaded connection for the positive wire on the alternator
is labelled with “B1+”.
Caution
If the battery positive wire is not tightened to the specified
torque, there is a risk of the following:
◆
The battery will not be charged fully.
◆
Total failure of electrical system/electronics.
◆
Danger of fires from sparks
◆
Damage to electronic components and control units due
to excessive voltage
– With ignition switched off, disconnect earth strap from bat-
tery.
– Tighten securing nut of “B1+ wire” -arrow-. Specified torque:
15 Nm.
2.2
Checking alternator -C- and voltage reg-
ulator -C1-
Special tools and workshop equipment required
◆
Multimeter -V.A.G 1715-
◆
Auxiliary measuring set -V.A.G 1594 C-
Test prerequisites
● Fuses must be OK.
● Battery charged and tested.
● Earth connections OK
● Poly V-belt tension OK and alternator secured properly
● No faults must be stored in event memory
event memory.
Test procedure
3
Industriemotoren - Industrial Engines 2009
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Workshop Manual for Diesel Engine (2.0 l/36-75 kW_EA 189) 05.2015
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Repair Group 27 - Starter, current supply, CCS