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Ignition transformer and output stage: checking > < Ignition timing: checking and adjusting

Leon Mk2

Hall sender: checking
Hall sender: checking
Special tools and workshop equipment required
t  Hand multimeter -V.A.G 1526 A- or multimeter -V.A.G 1715-
t  Auxiliary measuring set -V.A.G 1594 C-
   
t  Test box -V.A.G 1598/18-
t  Current flow diagram
Test conditions
l  Hall sender fault detected by self-diagnosis.
Checking process
–  Remove the connector of the Hall sender (ignition distributor).
  W00-0478
–  Connect multimeter to the connector external contacts to measure voltage using auxiliary cables from -V.A.G 1594 C-.
–  Switch ignition on.
   Specification: 9 V min
–  Switch ignition off.
  V28-0672
–  Connect test box -V.A.G 1598/18- to control unit wiring harness.
–  Check wiring for open circuit between test box and connector using current flow diagram.
  N24-0334
ContactTest box -V.A.G 1598/18-, socket
117
213
38
Wire resistance: 1,5 Ω max.

–  Also check wires for short circuits to one another.
   Specification: ∞ Ω
If no wiring fault is detected and voltage was present between contacts 1+3:
–  Replace Hall sender -G40- → Item.
If no wiring fault is detected and no voltage was present between contacts 1+3:
–  Renew engine control unit → Chapter
   

Ignition transformer and output stage: checking > < Ignition timing: checking and adjusting